<?xml version="1.0" encoding="UTF-8"?>

<!--XBRL Document Created with the Workiva Platform-->
<!--Copyright 2024 Workiva-->
<!--r:d46e133b-9fb3-457c-956f-baf15cbdc056,g:269398f9-2257-4c3f-95fa-8d5592c99e93-->
<link:linkbase xmlns:link="http://www.xbrl.org/2003/linkbase" xmlns:xlink="http://www.w3.org/1999/xlink" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:xbrldt="http://xbrl.org/2005/xbrldt" xsi:schemaLocation="http://www.xbrl.org/2003/linkbase http://www.xbrl.org/2003/xbrl-linkbase-2003-12-31.xsd">
  <link:arcroleRef arcroleURI="http://xbrl.org/int/dim/arcrole/all" xlink:type="simple" xlink:href="http://www.xbrl.org/2005/xbrldt-2005.xsd#all"/>
  <link:arcroleRef arcroleURI="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:type="simple" xlink:href="http://www.xbrl.org/2005/xbrldt-2005.xsd#hypercube-dimension"/>
  <link:arcroleRef arcroleURI="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:type="simple" xlink:href="http://www.xbrl.org/2005/xbrldt-2005.xsd#dimension-default"/>
  <link:arcroleRef arcroleURI="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:type="simple" xlink:href="http://www.xbrl.org/2005/xbrldt-2005.xsd#dimension-domain"/>
  <link:arcroleRef arcroleURI="http://xbrl.org/int/dim/arcrole/domain-member" xlink:type="simple" xlink:href="http://www.xbrl.org/2005/xbrldt-2005.xsd#domain-member"/>
  <link:roleRef roleURI="http://leg.com/role/UnauditedCondensedConsolidatedStatementsofStockholdersEquity" xlink:type="simple" xlink:href="lz-20240930.xsd#UnauditedCondensedConsolidatedStatementsofStockholdersEquity"/>
  <link:definitionLink xlink:role="http://leg.com/role/UnauditedCondensedConsolidatedStatementsofStockholdersEquity" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StatementLineItems_e69df050-819d-40ac-b21c-63de4250dc8c" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_StatementLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StatementTable_c1eac7ce-bda7-4348-a9ba-4ca4dc6767fc" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_StatementTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_StatementLineItems_e69df050-819d-40ac-b21c-63de4250dc8c" xlink:to="loc_us-gaap_StatementTable_c1eac7ce-bda7-4348-a9ba-4ca4dc6767fc" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StatementEquityComponentsAxis_329dbf67-93a5-4048-9ccc-3e6e9ded053d" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_StatementEquityComponentsAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_StatementTable_c1eac7ce-bda7-4348-a9ba-4ca4dc6767fc" xlink:to="loc_us-gaap_StatementEquityComponentsAxis_329dbf67-93a5-4048-9ccc-3e6e9ded053d" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EquityComponentDomain_329dbf67-93a5-4048-9ccc-3e6e9ded053d_default" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_EquityComponentDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_StatementEquityComponentsAxis_329dbf67-93a5-4048-9ccc-3e6e9ded053d" xlink:to="loc_us-gaap_EquityComponentDomain_329dbf67-93a5-4048-9ccc-3e6e9ded053d_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EquityComponentDomain_4662afbc-c4b6-4768-a383-0919c435bf71" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_EquityComponentDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_StatementEquityComponentsAxis_329dbf67-93a5-4048-9ccc-3e6e9ded053d" xlink:to="loc_us-gaap_EquityComponentDomain_4662afbc-c4b6-4768-a383-0919c435bf71" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CommonStockMember_5ae64905-dba4-4f2a-b5fd-76af214d3e5a" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_CommonStockMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_EquityComponentDomain_4662afbc-c4b6-4768-a383-0919c435bf71" xlink:to="loc_us-gaap_CommonStockMember_5ae64905-dba4-4f2a-b5fd-76af214d3e5a" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AdditionalPaidInCapitalMember_b15a8012-694b-4d0c-bb28-a06f2f58e24f" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_AdditionalPaidInCapitalMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_EquityComponentDomain_4662afbc-c4b6-4768-a383-0919c435bf71" xlink:to="loc_us-gaap_AdditionalPaidInCapitalMember_b15a8012-694b-4d0c-bb28-a06f2f58e24f" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RetainedEarningsMember_91e685cd-920f-4a99-98da-eb0b6b4aaca7" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_RetainedEarningsMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_EquityComponentDomain_4662afbc-c4b6-4768-a383-0919c435bf71" xlink:to="loc_us-gaap_RetainedEarningsMember_91e685cd-920f-4a99-98da-eb0b6b4aaca7" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AccumulatedOtherComprehensiveIncomeMember_808e88aa-a4ab-441a-a35e-ef9bf4fb8c09" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_AccumulatedOtherComprehensiveIncomeMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_EquityComponentDomain_4662afbc-c4b6-4768-a383-0919c435bf71" xlink:to="loc_us-gaap_AccumulatedOtherComprehensiveIncomeMember_808e88aa-a4ab-441a-a35e-ef9bf4fb8c09" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncreaseDecreaseInStockholdersEquityRollForward_be00b482-de7d-4ba2-816f-e4f45703cc18" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_IncreaseDecreaseInStockholdersEquityRollForward"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_e69df050-819d-40ac-b21c-63de4250dc8c" xlink:to="loc_us-gaap_IncreaseDecreaseInStockholdersEquityRollForward_be00b482-de7d-4ba2-816f-e4f45703cc18" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CommonStockSharesOutstanding_73018c6b-807e-434d-b37d-4ae3767f5eb0" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_CommonStockSharesOutstanding"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncreaseDecreaseInStockholdersEquityRollForward_be00b482-de7d-4ba2-816f-e4f45703cc18" xlink:to="loc_us-gaap_CommonStockSharesOutstanding_73018c6b-807e-434d-b37d-4ae3767f5eb0" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StockholdersEquity_3f321793-e22e-4ddd-9463-f40e2ae007fa" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_StockholdersEquity"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncreaseDecreaseInStockholdersEquityRollForward_be00b482-de7d-4ba2-816f-e4f45703cc18" xlink:to="loc_us-gaap_StockholdersEquity_3f321793-e22e-4ddd-9463-f40e2ae007fa" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StockIssuedDuringPeriodSharesStockOptionsExercised_d24b9cc2-97d4-4bce-ba3e-b4b1ed6d041c" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_StockIssuedDuringPeriodSharesStockOptionsExercised"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncreaseDecreaseInStockholdersEquityRollForward_be00b482-de7d-4ba2-816f-e4f45703cc18" xlink:to="loc_us-gaap_StockIssuedDuringPeriodSharesStockOptionsExercised_d24b9cc2-97d4-4bce-ba3e-b4b1ed6d041c" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StockIssuedDuringPeriodValueStockOptionsExercised_360b3be0-a63d-4a2c-ba07-ff0f936ce10b" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_StockIssuedDuringPeriodValueStockOptionsExercised"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncreaseDecreaseInStockholdersEquityRollForward_be00b482-de7d-4ba2-816f-e4f45703cc18" xlink:to="loc_us-gaap_StockIssuedDuringPeriodValueStockOptionsExercised_360b3be0-a63d-4a2c-ba07-ff0f936ce10b" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StockIssuedDuringPeriodSharesRestrictedStockAwardNetOfForfeitures_a7cddf00-0832-41c7-92a3-bf405805a2c9" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_StockIssuedDuringPeriodSharesRestrictedStockAwardNetOfForfeitures"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncreaseDecreaseInStockholdersEquityRollForward_be00b482-de7d-4ba2-816f-e4f45703cc18" xlink:to="loc_us-gaap_StockIssuedDuringPeriodSharesRestrictedStockAwardNetOfForfeitures_a7cddf00-0832-41c7-92a3-bf405805a2c9" xlink:type="arc" order="5"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StockIssuedDuringPeriodValueRestrictedStockAwardNetOfForfeitures_50123da7-d831-4965-bdcb-ab6ef191fcfd" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_StockIssuedDuringPeriodValueRestrictedStockAwardNetOfForfeitures"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncreaseDecreaseInStockholdersEquityRollForward_be00b482-de7d-4ba2-816f-e4f45703cc18" xlink:to="loc_us-gaap_StockIssuedDuringPeriodValueRestrictedStockAwardNetOfForfeitures_50123da7-d831-4965-bdcb-ab6ef191fcfd" xlink:type="arc" order="6"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SharesPaidForTaxWithholdingForShareBasedCompensation_6f8146d1-512f-4754-a274-317c8ff4a937" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_SharesPaidForTaxWithholdingForShareBasedCompensation"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncreaseDecreaseInStockholdersEquityRollForward_be00b482-de7d-4ba2-816f-e4f45703cc18" xlink:to="loc_us-gaap_SharesPaidForTaxWithholdingForShareBasedCompensation_6f8146d1-512f-4754-a274-317c8ff4a937" xlink:type="arc" order="7"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AdjustmentsRelatedToTaxWithholdingForShareBasedCompensation_7090f742-37b1-47a5-a025-233c048db369" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_AdjustmentsRelatedToTaxWithholdingForShareBasedCompensation"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncreaseDecreaseInStockholdersEquityRollForward_be00b482-de7d-4ba2-816f-e4f45703cc18" xlink:to="loc_us-gaap_AdjustmentsRelatedToTaxWithholdingForShareBasedCompensation_7090f742-37b1-47a5-a025-233c048db369" xlink:type="arc" order="8"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue_881b3495-4f96-4669-9183-d46f633cf294" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncreaseDecreaseInStockholdersEquityRollForward_be00b482-de7d-4ba2-816f-e4f45703cc18" xlink:to="loc_us-gaap_AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue_881b3495-4f96-4669-9183-d46f633cf294" xlink:type="arc" order="9"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StockRepurchasedDuringPeriodShares_5ad65524-5d0a-467b-a0ae-b701a12338b4" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_StockRepurchasedDuringPeriodShares"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncreaseDecreaseInStockholdersEquityRollForward_be00b482-de7d-4ba2-816f-e4f45703cc18" xlink:to="loc_us-gaap_StockRepurchasedDuringPeriodShares_5ad65524-5d0a-467b-a0ae-b701a12338b4" xlink:type="arc" order="10"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StockRepurchasedDuringPeriodValue_77cc660a-7293-41d3-8c0c-2349d3b31144" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_StockRepurchasedDuringPeriodValue"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncreaseDecreaseInStockholdersEquityRollForward_be00b482-de7d-4ba2-816f-e4f45703cc18" xlink:to="loc_us-gaap_StockRepurchasedDuringPeriodValue_77cc660a-7293-41d3-8c0c-2349d3b31144" xlink:type="arc" order="11"/>
    <link:loc xlink:type="locator" xlink:label="loc_lz_StockRepurchasedDuringPeriodExciseTax_54bc2c11-68fb-4e3d-ba54-d4ba0465ad36" xlink:href="lz-20240930.xsd#lz_StockRepurchasedDuringPeriodExciseTax"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncreaseDecreaseInStockholdersEquityRollForward_be00b482-de7d-4ba2-816f-e4f45703cc18" xlink:to="loc_lz_StockRepurchasedDuringPeriodExciseTax_54bc2c11-68fb-4e3d-ba54-d4ba0465ad36" xlink:type="arc" order="12"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent_1584b846-dbff-4885-bb10-921531b05acb" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncreaseDecreaseInStockholdersEquityRollForward_be00b482-de7d-4ba2-816f-e4f45703cc18" xlink:to="loc_us-gaap_OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent_1584b846-dbff-4885-bb10-921531b05acb" xlink:type="arc" order="13"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NetIncomeLoss_ffddd66f-3c49-490c-9361-cf5adadcbabc" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_NetIncomeLoss"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncreaseDecreaseInStockholdersEquityRollForward_be00b482-de7d-4ba2-816f-e4f45703cc18" xlink:to="loc_us-gaap_NetIncomeLoss_ffddd66f-3c49-490c-9361-cf5adadcbabc" xlink:type="arc" order="14"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CommonStockSharesOutstanding_aaa98070-5d1b-4feb-9408-edb8a440d948" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_CommonStockSharesOutstanding"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StockholdersEquity_52fc6894-6140-436a-96bb-6e6f24882ac7" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_StockholdersEquity"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://leg.com/role/SummaryofSignificantAccountingPoliciesAdditionalInformationDetails" xlink:type="simple" xlink:href="lz-20240930.xsd#SummaryofSignificantAccountingPoliciesAdditionalInformationDetails"/>
  <link:definitionLink xlink:role="http://leg.com/role/SummaryofSignificantAccountingPoliciesAdditionalInformationDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_lz_AccountingPoliciesLineItems_954799fb-4ecc-412d-b5f2-6d38d5f9a3cd" xlink:href="lz-20240930.xsd#lz_AccountingPoliciesLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_lz_AccountingPoliciesTable_79ae63c4-d483-4c4d-954e-effcbae65616" xlink:href="lz-20240930.xsd#lz_AccountingPoliciesTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_lz_AccountingPoliciesLineItems_954799fb-4ecc-412d-b5f2-6d38d5f9a3cd" xlink:to="loc_lz_AccountingPoliciesTable_79ae63c4-d483-4c4d-954e-effcbae65616" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ConcentrationRiskByBenchmarkAxis_d063e5e2-1a6e-4ab2-bcba-919355f3a007" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_ConcentrationRiskByBenchmarkAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_lz_AccountingPoliciesTable_79ae63c4-d483-4c4d-954e-effcbae65616" xlink:to="loc_us-gaap_ConcentrationRiskByBenchmarkAxis_d063e5e2-1a6e-4ab2-bcba-919355f3a007" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ConcentrationRiskBenchmarkDomain_d063e5e2-1a6e-4ab2-bcba-919355f3a007_default" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_ConcentrationRiskBenchmarkDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_ConcentrationRiskByBenchmarkAxis_d063e5e2-1a6e-4ab2-bcba-919355f3a007" xlink:to="loc_us-gaap_ConcentrationRiskBenchmarkDomain_d063e5e2-1a6e-4ab2-bcba-919355f3a007_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ConcentrationRiskBenchmarkDomain_abcc3fd3-2c1e-409a-8bf8-6bd5cdbcafee" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_ConcentrationRiskBenchmarkDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_ConcentrationRiskByBenchmarkAxis_d063e5e2-1a6e-4ab2-bcba-919355f3a007" xlink:to="loc_us-gaap_ConcentrationRiskBenchmarkDomain_abcc3fd3-2c1e-409a-8bf8-6bd5cdbcafee" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SalesRevenueNetMember_0f10e5ee-208c-48ec-a868-51624a8d380b" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_SalesRevenueNetMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ConcentrationRiskBenchmarkDomain_abcc3fd3-2c1e-409a-8bf8-6bd5cdbcafee" xlink:to="loc_us-gaap_SalesRevenueNetMember_0f10e5ee-208c-48ec-a868-51624a8d380b" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ConcentrationRiskByTypeAxis_376b5217-92a8-41cb-847b-9960e8aaaa27" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_ConcentrationRiskByTypeAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_lz_AccountingPoliciesTable_79ae63c4-d483-4c4d-954e-effcbae65616" xlink:to="loc_us-gaap_ConcentrationRiskByTypeAxis_376b5217-92a8-41cb-847b-9960e8aaaa27" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ConcentrationRiskTypeDomain_376b5217-92a8-41cb-847b-9960e8aaaa27_default" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_ConcentrationRiskTypeDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_ConcentrationRiskByTypeAxis_376b5217-92a8-41cb-847b-9960e8aaaa27" xlink:to="loc_us-gaap_ConcentrationRiskTypeDomain_376b5217-92a8-41cb-847b-9960e8aaaa27_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ConcentrationRiskTypeDomain_ca565478-ef4a-4d09-be71-28fc496f053f" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_ConcentrationRiskTypeDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_ConcentrationRiskByTypeAxis_376b5217-92a8-41cb-847b-9960e8aaaa27" xlink:to="loc_us-gaap_ConcentrationRiskTypeDomain_ca565478-ef4a-4d09-be71-28fc496f053f" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_GeographicConcentrationRiskMember_383d13b3-d68e-48fb-8f8f-deb978998434" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_GeographicConcentrationRiskMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ConcentrationRiskTypeDomain_ca565478-ef4a-4d09-be71-28fc496f053f" xlink:to="loc_us-gaap_GeographicConcentrationRiskMember_383d13b3-d68e-48fb-8f8f-deb978998434" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_StatementGeographicalAxis_6211cbaf-939d-4f3f-a23f-c9aee4d97486" xlink:href="https://xbrl.fasb.org/srt/2024/elts/srt-2024.xsd#srt_StatementGeographicalAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_lz_AccountingPoliciesTable_79ae63c4-d483-4c4d-954e-effcbae65616" xlink:to="loc_srt_StatementGeographicalAxis_6211cbaf-939d-4f3f-a23f-c9aee4d97486" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_SegmentGeographicalDomain_6211cbaf-939d-4f3f-a23f-c9aee4d97486_default" xlink:href="https://xbrl.fasb.org/srt/2024/elts/srt-2024.xsd#srt_SegmentGeographicalDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_srt_StatementGeographicalAxis_6211cbaf-939d-4f3f-a23f-c9aee4d97486" xlink:to="loc_srt_SegmentGeographicalDomain_6211cbaf-939d-4f3f-a23f-c9aee4d97486_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_SegmentGeographicalDomain_9e5df74c-b1c6-4d66-88de-50251ba3a69f" xlink:href="https://xbrl.fasb.org/srt/2024/elts/srt-2024.xsd#srt_SegmentGeographicalDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_srt_StatementGeographicalAxis_6211cbaf-939d-4f3f-a23f-c9aee4d97486" xlink:to="loc_srt_SegmentGeographicalDomain_9e5df74c-b1c6-4d66-88de-50251ba3a69f" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_lz_OutsideUnitedStatesMember_f803c467-2ad1-452e-9da8-87851638bccb" xlink:href="lz-20240930.xsd#lz_OutsideUnitedStatesMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_SegmentGeographicalDomain_9e5df74c-b1c6-4d66-88de-50251ba3a69f" xlink:to="loc_lz_OutsideUnitedStatesMember_f803c467-2ad1-452e-9da8-87851638bccb" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis_0e347870-ce55-4953-ab9e-f1204858be4a" xlink:href="https://xbrl.fasb.org/srt/2024/elts/srt-2024.xsd#srt_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_lz_AccountingPoliciesTable_79ae63c4-d483-4c4d-954e-effcbae65616" xlink:to="loc_srt_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis_0e347870-ce55-4953-ab9e-f1204858be4a" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_EquityMethodInvesteeNameDomain_0e347870-ce55-4953-ab9e-f1204858be4a_default" xlink:href="https://xbrl.fasb.org/srt/2024/elts/srt-2024.xsd#srt_EquityMethodInvesteeNameDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_srt_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis_0e347870-ce55-4953-ab9e-f1204858be4a" xlink:to="loc_srt_EquityMethodInvesteeNameDomain_0e347870-ce55-4953-ab9e-f1204858be4a_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_EquityMethodInvesteeNameDomain_1e6b878a-dc88-4e8b-a6c4-614aa49ca39e" xlink:href="https://xbrl.fasb.org/srt/2024/elts/srt-2024.xsd#srt_EquityMethodInvesteeNameDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_srt_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis_0e347870-ce55-4953-ab9e-f1204858be4a" xlink:to="loc_srt_EquityMethodInvesteeNameDomain_1e6b878a-dc88-4e8b-a6c4-614aa49ca39e" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_lz_LawPathMember_587aba32-deab-4024-ae99-27e75dbd8d9a" xlink:href="lz-20240930.xsd#lz_LawPathMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_EquityMethodInvesteeNameDomain_1e6b878a-dc88-4e8b-a6c4-614aa49ca39e" xlink:to="loc_lz_LawPathMember_587aba32-deab-4024-ae99-27e75dbd8d9a" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NumberOfOperatingSegments_c817df89-0c7f-477c-bb08-b766c415691e" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_NumberOfOperatingSegments"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_lz_AccountingPoliciesLineItems_954799fb-4ecc-412d-b5f2-6d38d5f9a3cd" xlink:to="loc_us-gaap_NumberOfOperatingSegments_c817df89-0c7f-477c-bb08-b766c415691e" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ConcentrationRiskPercentage1_a5668ba8-4848-4c24-9c96-984d8e5ba81d" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_ConcentrationRiskPercentage1"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_lz_AccountingPoliciesLineItems_954799fb-4ecc-412d-b5f2-6d38d5f9a3cd" xlink:to="loc_us-gaap_ConcentrationRiskPercentage1_a5668ba8-4848-4c24-9c96-984d8e5ba81d" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EquityMethodInvestments_ae5df223-18fb-465b-8f78-71033b4a1f8a" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_EquityMethodInvestments"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_lz_AccountingPoliciesLineItems_954799fb-4ecc-412d-b5f2-6d38d5f9a3cd" xlink:to="loc_us-gaap_EquityMethodInvestments_ae5df223-18fb-465b-8f78-71033b4a1f8a" xlink:type="arc" order="2"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://leg.com/role/SummaryofSignificantAccountingPoliciesScheduleofRevenueRecognitionDetails" xlink:type="simple" xlink:href="lz-20240930.xsd#SummaryofSignificantAccountingPoliciesScheduleofRevenueRecognitionDetails"/>
  <link:definitionLink xlink:role="http://leg.com/role/SummaryofSignificantAccountingPoliciesScheduleofRevenueRecognitionDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DisaggregationOfRevenueLineItems_93795147-3dbf-449c-8cf6-9143ac3617df" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_DisaggregationOfRevenueLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DisaggregationOfRevenueTable_d06d8bcb-d130-4550-8851-93b8a7b7ada2" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_DisaggregationOfRevenueTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_DisaggregationOfRevenueLineItems_93795147-3dbf-449c-8cf6-9143ac3617df" xlink:to="loc_us-gaap_DisaggregationOfRevenueTable_d06d8bcb-d130-4550-8851-93b8a7b7ada2" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ContractWithCustomerSalesChannelAxis_853828dc-a6d5-4ec3-8fd9-46ae4605b104" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_ContractWithCustomerSalesChannelAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_DisaggregationOfRevenueTable_d06d8bcb-d130-4550-8851-93b8a7b7ada2" xlink:to="loc_us-gaap_ContractWithCustomerSalesChannelAxis_853828dc-a6d5-4ec3-8fd9-46ae4605b104" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ContractWithCustomerSalesChannelDomain_853828dc-a6d5-4ec3-8fd9-46ae4605b104_default" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_ContractWithCustomerSalesChannelDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_ContractWithCustomerSalesChannelAxis_853828dc-a6d5-4ec3-8fd9-46ae4605b104" xlink:to="loc_us-gaap_ContractWithCustomerSalesChannelDomain_853828dc-a6d5-4ec3-8fd9-46ae4605b104_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ContractWithCustomerSalesChannelDomain_6ad8055b-d285-41cc-b268-8fa9f8bc13b9" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_ContractWithCustomerSalesChannelDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_ContractWithCustomerSalesChannelAxis_853828dc-a6d5-4ec3-8fd9-46ae4605b104" xlink:to="loc_us-gaap_ContractWithCustomerSalesChannelDomain_6ad8055b-d285-41cc-b268-8fa9f8bc13b9" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_lz_TransactionMember_6d914832-ceff-46a2-b8b6-8853fbf5874a" xlink:href="lz-20240930.xsd#lz_TransactionMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ContractWithCustomerSalesChannelDomain_6ad8055b-d285-41cc-b268-8fa9f8bc13b9" xlink:to="loc_lz_TransactionMember_6d914832-ceff-46a2-b8b6-8853fbf5874a" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_lz_SubscriptionMember_81b1d254-590f-4f2e-aefb-290d18d7de30" xlink:href="lz-20240930.xsd#lz_SubscriptionMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ContractWithCustomerSalesChannelDomain_6ad8055b-d285-41cc-b268-8fa9f8bc13b9" xlink:to="loc_lz_SubscriptionMember_81b1d254-590f-4f2e-aefb-290d18d7de30" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RevenueFromContractWithCustomerExcludingAssessedTax_28238d68-a855-40b3-b6ed-76449bd0532d" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_RevenueFromContractWithCustomerExcludingAssessedTax"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DisaggregationOfRevenueLineItems_93795147-3dbf-449c-8cf6-9143ac3617df" xlink:to="loc_us-gaap_RevenueFromContractWithCustomerExcludingAssessedTax_28238d68-a855-40b3-b6ed-76449bd0532d" xlink:type="arc" order="0"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://leg.com/role/OtherFinancialStatementInformationScheduleofChangesintheAllowanceDetails" xlink:type="simple" xlink:href="lz-20240930.xsd#OtherFinancialStatementInformationScheduleofChangesintheAllowanceDetails"/>
  <link:definitionLink xlink:role="http://leg.com/role/OtherFinancialStatementInformationScheduleofChangesintheAllowanceDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_lz_AccountsReceivableAllowanceForCreditLossLineItems_c3dcd7e4-f47b-4433-8b2b-102011bca7e6" xlink:href="lz-20240930.xsd#lz_AccountsReceivableAllowanceForCreditLossLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_lz_AccountsReceivableAllowanceForCreditLossTable_bd2de6c5-9a49-44e8-a696-852b094936a1" xlink:href="lz-20240930.xsd#lz_AccountsReceivableAllowanceForCreditLossTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_lz_AccountsReceivableAllowanceForCreditLossLineItems_c3dcd7e4-f47b-4433-8b2b-102011bca7e6" xlink:to="loc_lz_AccountsReceivableAllowanceForCreditLossTable_bd2de6c5-9a49-44e8-a696-852b094936a1" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeStatementLocationAxis_a3bf82f2-d952-45a5-adf4-89af529f9c80" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_IncomeStatementLocationAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_lz_AccountsReceivableAllowanceForCreditLossTable_bd2de6c5-9a49-44e8-a696-852b094936a1" xlink:to="loc_us-gaap_IncomeStatementLocationAxis_a3bf82f2-d952-45a5-adf4-89af529f9c80" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeStatementLocationDomain_a3bf82f2-d952-45a5-adf4-89af529f9c80_default" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_IncomeStatementLocationDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_IncomeStatementLocationAxis_a3bf82f2-d952-45a5-adf4-89af529f9c80" xlink:to="loc_us-gaap_IncomeStatementLocationDomain_a3bf82f2-d952-45a5-adf4-89af529f9c80_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeStatementLocationDomain_00382be0-cb5c-420e-816f-142518b2b9a2" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_IncomeStatementLocationDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_IncomeStatementLocationAxis_a3bf82f2-d952-45a5-adf4-89af529f9c80" xlink:to="loc_us-gaap_IncomeStatementLocationDomain_00382be0-cb5c-420e-816f-142518b2b9a2" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SalesMember_24e7a983-314d-4db6-9e63-53dad89967a6" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_SalesMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncomeStatementLocationDomain_00382be0-cb5c-420e-816f-142518b2b9a2" xlink:to="loc_us-gaap_SalesMember_24e7a983-314d-4db6-9e63-53dad89967a6" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SellingGeneralAndAdministrativeExpensesMember_957e6a5f-8f97-46f6-869d-460dd03e11c2" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_SellingGeneralAndAdministrativeExpensesMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncomeStatementLocationDomain_00382be0-cb5c-420e-816f-142518b2b9a2" xlink:to="loc_us-gaap_SellingGeneralAndAdministrativeExpensesMember_957e6a5f-8f97-46f6-869d-460dd03e11c2" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AllowanceForDoubtfulAccountsReceivableRollforward_3f35019d-a328-41d2-b959-3936401e6c1d" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_AllowanceForDoubtfulAccountsReceivableRollforward"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_lz_AccountsReceivableAllowanceForCreditLossLineItems_c3dcd7e4-f47b-4433-8b2b-102011bca7e6" xlink:to="loc_us-gaap_AllowanceForDoubtfulAccountsReceivableRollforward_3f35019d-a328-41d2-b959-3936401e6c1d" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AllowanceForDoubtfulAccountsReceivableCurrent_0317a609-c82c-4549-931f-97a4174ff318" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_AllowanceForDoubtfulAccountsReceivableCurrent"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AllowanceForDoubtfulAccountsReceivableRollforward_3f35019d-a328-41d2-b959-3936401e6c1d" xlink:to="loc_us-gaap_AllowanceForDoubtfulAccountsReceivableCurrent_0317a609-c82c-4549-931f-97a4174ff318" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ProvisionForDoubtfulAccounts_655cebdb-8895-4d0a-8a55-93ee366bc257" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_ProvisionForDoubtfulAccounts"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AllowanceForDoubtfulAccountsReceivableRollforward_3f35019d-a328-41d2-b959-3936401e6c1d" xlink:to="loc_us-gaap_ProvisionForDoubtfulAccounts_655cebdb-8895-4d0a-8a55-93ee366bc257" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AllowanceForDoubtfulAccountsReceivableWriteOffs_c204dd89-94dc-4645-ac83-a17cd36de2c3" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_AllowanceForDoubtfulAccountsReceivableWriteOffs"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AllowanceForDoubtfulAccountsReceivableRollforward_3f35019d-a328-41d2-b959-3936401e6c1d" xlink:to="loc_us-gaap_AllowanceForDoubtfulAccountsReceivableWriteOffs_c204dd89-94dc-4645-ac83-a17cd36de2c3" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AllowanceForDoubtfulAccountsReceivableCurrent_1c9ebce3-3542-4027-8016-89adee9e190f" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_AllowanceForDoubtfulAccountsReceivableCurrent"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://leg.com/role/OtherFinancialStatementInformationScheduleofDepreciationandAmortizationExpenseDetails" xlink:type="simple" xlink:href="lz-20240930.xsd#OtherFinancialStatementInformationScheduleofDepreciationandAmortizationExpenseDetails"/>
  <link:definitionLink xlink:role="http://leg.com/role/OtherFinancialStatementInformationScheduleofDepreciationandAmortizationExpenseDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_lz_DisclosureDetailsOfDepreciationAndAmortizationLineItems_247a7a1a-310e-49bf-80c4-a242136f758b" xlink:href="lz-20240930.xsd#lz_DisclosureDetailsOfDepreciationAndAmortizationLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_lz_DisclosureDetailsOfDepreciationAndAmortizationTable_73f0cf10-c6fa-4a1d-8c97-8e57c0552220" xlink:href="lz-20240930.xsd#lz_DisclosureDetailsOfDepreciationAndAmortizationTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_lz_DisclosureDetailsOfDepreciationAndAmortizationLineItems_247a7a1a-310e-49bf-80c4-a242136f758b" xlink:to="loc_lz_DisclosureDetailsOfDepreciationAndAmortizationTable_73f0cf10-c6fa-4a1d-8c97-8e57c0552220" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeStatementLocationAxis_de3c29da-a9ac-4427-b663-b764f50862f5" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_IncomeStatementLocationAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_lz_DisclosureDetailsOfDepreciationAndAmortizationTable_73f0cf10-c6fa-4a1d-8c97-8e57c0552220" xlink:to="loc_us-gaap_IncomeStatementLocationAxis_de3c29da-a9ac-4427-b663-b764f50862f5" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeStatementLocationDomain_de3c29da-a9ac-4427-b663-b764f50862f5_default" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_IncomeStatementLocationDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_IncomeStatementLocationAxis_de3c29da-a9ac-4427-b663-b764f50862f5" xlink:to="loc_us-gaap_IncomeStatementLocationDomain_de3c29da-a9ac-4427-b663-b764f50862f5_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeStatementLocationDomain_f3462957-aed2-4cc6-b04d-65afd2b290ca" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_IncomeStatementLocationDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_IncomeStatementLocationAxis_de3c29da-a9ac-4427-b663-b764f50862f5" xlink:to="loc_us-gaap_IncomeStatementLocationDomain_f3462957-aed2-4cc6-b04d-65afd2b290ca" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CostOfSalesMember_b5e4489a-0b2f-46c9-8c39-1d6969c0c315" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_CostOfSalesMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncomeStatementLocationDomain_f3462957-aed2-4cc6-b04d-65afd2b290ca" xlink:to="loc_us-gaap_CostOfSalesMember_b5e4489a-0b2f-46c9-8c39-1d6969c0c315" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SellingAndMarketingExpenseMember_3c8d3068-67b9-45da-9f89-56cfbcc3d3d1" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_SellingAndMarketingExpenseMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncomeStatementLocationDomain_f3462957-aed2-4cc6-b04d-65afd2b290ca" xlink:to="loc_us-gaap_SellingAndMarketingExpenseMember_3c8d3068-67b9-45da-9f89-56cfbcc3d3d1" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_lz_TechnologyAndDevelopmentMember_83259a3d-11b5-4215-9638-cf7aec008806" xlink:href="lz-20240930.xsd#lz_TechnologyAndDevelopmentMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncomeStatementLocationDomain_f3462957-aed2-4cc6-b04d-65afd2b290ca" xlink:to="loc_lz_TechnologyAndDevelopmentMember_83259a3d-11b5-4215-9638-cf7aec008806" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_GeneralAndAdministrativeExpenseMember_aa74a5a8-3853-4e1a-9347-819d6090a5b0" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_GeneralAndAdministrativeExpenseMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncomeStatementLocationDomain_f3462957-aed2-4cc6-b04d-65afd2b290ca" xlink:to="loc_us-gaap_GeneralAndAdministrativeExpenseMember_aa74a5a8-3853-4e1a-9347-819d6090a5b0" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CostOfGoodsAndServicesSoldDepreciationAndAmortization_2f5e87fb-1a63-4314-a503-93413b006b28" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_CostOfGoodsAndServicesSoldDepreciationAndAmortization"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_lz_DisclosureDetailsOfDepreciationAndAmortizationLineItems_247a7a1a-310e-49bf-80c4-a242136f758b" xlink:to="loc_us-gaap_CostOfGoodsAndServicesSoldDepreciationAndAmortization_2f5e87fb-1a63-4314-a503-93413b006b28" xlink:type="arc" order="0"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://leg.com/role/AssetsHeldforSaleDetails" xlink:type="simple" xlink:href="lz-20240930.xsd#AssetsHeldforSaleDetails"/>
  <link:definitionLink xlink:role="http://leg.com/role/AssetsHeldforSaleDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsLineItems_63a15c76-1656-4a92-99d3-1c7fa8f23336" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsTable_b295e1c0-206d-4264-a56d-42f06fdebdf1" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsLineItems_63a15c76-1656-4a92-99d3-1c7fa8f23336" xlink:to="loc_us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsTable_b295e1c0-206d-4264-a56d-42f06fdebdf1" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DisposalGroupClassificationAxis_056bf758-d2fd-4d09-abba-f311b844c0c9" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_DisposalGroupClassificationAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsTable_b295e1c0-206d-4264-a56d-42f06fdebdf1" xlink:to="loc_us-gaap_DisposalGroupClassificationAxis_056bf758-d2fd-4d09-abba-f311b844c0c9" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DisposalGroupClassificationDomain_056bf758-d2fd-4d09-abba-f311b844c0c9_default" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_DisposalGroupClassificationDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_DisposalGroupClassificationAxis_056bf758-d2fd-4d09-abba-f311b844c0c9" xlink:to="loc_us-gaap_DisposalGroupClassificationDomain_056bf758-d2fd-4d09-abba-f311b844c0c9_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DisposalGroupClassificationDomain_7193e52f-d708-400f-a7a0-0c7b2c333e82" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_DisposalGroupClassificationDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_DisposalGroupClassificationAxis_056bf758-d2fd-4d09-abba-f311b844c0c9" xlink:to="loc_us-gaap_DisposalGroupClassificationDomain_7193e52f-d708-400f-a7a0-0c7b2c333e82" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DisposalGroupHeldforsaleNotDiscontinuedOperationsMember_bc928c2f-e5fe-4bd2-aeba-75e8835bfab4" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_DisposalGroupHeldforsaleNotDiscontinuedOperationsMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DisposalGroupClassificationDomain_7193e52f-d708-400f-a7a0-0c7b2c333e82" xlink:to="loc_us-gaap_DisposalGroupHeldforsaleNotDiscontinuedOperationsMember_bc928c2f-e5fe-4bd2-aeba-75e8835bfab4" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsAxis_2bcb87a6-89a3-4672-b103-e7858f9e14c4" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsTable_b295e1c0-206d-4264-a56d-42f06fdebdf1" xlink:to="loc_us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsAxis_2bcb87a6-89a3-4672-b103-e7858f9e14c4" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DisposalGroupsIncludingDiscontinuedOperationsNameDomain_2bcb87a6-89a3-4672-b103-e7858f9e14c4_default" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_DisposalGroupsIncludingDiscontinuedOperationsNameDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsAxis_2bcb87a6-89a3-4672-b103-e7858f9e14c4" xlink:to="loc_us-gaap_DisposalGroupsIncludingDiscontinuedOperationsNameDomain_2bcb87a6-89a3-4672-b103-e7858f9e14c4_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DisposalGroupsIncludingDiscontinuedOperationsNameDomain_6377863a-ef87-4e19-892a-6e41c0b9f0af" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_DisposalGroupsIncludingDiscontinuedOperationsNameDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsAxis_2bcb87a6-89a3-4672-b103-e7858f9e14c4" xlink:to="loc_us-gaap_DisposalGroupsIncludingDiscontinuedOperationsNameDomain_6377863a-ef87-4e19-892a-6e41c0b9f0af" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_lz_AustinTexasOperationalHeadquartersMember_8e851242-5ed5-426d-8158-add40cc51c3b" xlink:href="lz-20240930.xsd#lz_AustinTexasOperationalHeadquartersMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DisposalGroupsIncludingDiscontinuedOperationsNameDomain_6377863a-ef87-4e19-892a-6e41c0b9f0af" xlink:to="loc_lz_AustinTexasOperationalHeadquartersMember_8e851242-5ed5-426d-8158-add40cc51c3b" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PropertyPlantAndEquipmentByTypeAxis_6516144b-8721-4b72-8349-c95b4a981017" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_PropertyPlantAndEquipmentByTypeAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsTable_b295e1c0-206d-4264-a56d-42f06fdebdf1" xlink:to="loc_us-gaap_PropertyPlantAndEquipmentByTypeAxis_6516144b-8721-4b72-8349-c95b4a981017" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PropertyPlantAndEquipmentTypeDomain_6516144b-8721-4b72-8349-c95b4a981017_default" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_PropertyPlantAndEquipmentTypeDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentByTypeAxis_6516144b-8721-4b72-8349-c95b4a981017" xlink:to="loc_us-gaap_PropertyPlantAndEquipmentTypeDomain_6516144b-8721-4b72-8349-c95b4a981017_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PropertyPlantAndEquipmentTypeDomain_5262f190-28cd-4343-8f9a-e37df3be04f6" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_PropertyPlantAndEquipmentTypeDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentByTypeAxis_6516144b-8721-4b72-8349-c95b4a981017" xlink:to="loc_us-gaap_PropertyPlantAndEquipmentTypeDomain_5262f190-28cd-4343-8f9a-e37df3be04f6" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LandMember_a0e0df1c-f1fd-4096-a472-43d29c5528dd" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_LandMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentTypeDomain_5262f190-28cd-4343-8f9a-e37df3be04f6" xlink:to="loc_us-gaap_LandMember_a0e0df1c-f1fd-4096-a472-43d29c5528dd" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_BuildingAndBuildingImprovementsMember_61314860-4849-4762-ac0c-b6482f78dd41" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_BuildingAndBuildingImprovementsMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentTypeDomain_5262f190-28cd-4343-8f9a-e37df3be04f6" xlink:to="loc_us-gaap_BuildingAndBuildingImprovementsMember_61314860-4849-4762-ac0c-b6482f78dd41" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AssetsOfDisposalGroupIncludingDiscontinuedOperationCurrent_a44e6629-ce35-429a-83c4-13846aeacef3" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_AssetsOfDisposalGroupIncludingDiscontinuedOperationCurrent"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsLineItems_63a15c76-1656-4a92-99d3-1c7fa8f23336" xlink:to="loc_us-gaap_AssetsOfDisposalGroupIncludingDiscontinuedOperationCurrent_a44e6629-ce35-429a-83c4-13846aeacef3" xlink:type="arc" order="0"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://leg.com/role/LongtermDebtDetails" xlink:type="simple" xlink:href="lz-20240930.xsd#LongtermDebtDetails"/>
  <link:definitionLink xlink:role="http://leg.com/role/LongtermDebtDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentLineItems_1f0e14f6-9cf1-4f79-ba37-8aa3612e8329" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_DebtInstrumentLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentTable_48488207-67e0-4de0-a510-06b0c9c75b45" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_DebtInstrumentTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_DebtInstrumentLineItems_1f0e14f6-9cf1-4f79-ba37-8aa3612e8329" xlink:to="loc_us-gaap_DebtInstrumentTable_48488207-67e0-4de0-a510-06b0c9c75b45" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentAxis_0b5bd56a-6375-44bc-9fb6-6eef58ab38db" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_DebtInstrumentAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_DebtInstrumentTable_48488207-67e0-4de0-a510-06b0c9c75b45" xlink:to="loc_us-gaap_DebtInstrumentAxis_0b5bd56a-6375-44bc-9fb6-6eef58ab38db" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentNameDomain_0b5bd56a-6375-44bc-9fb6-6eef58ab38db_default" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_DebtInstrumentNameDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_DebtInstrumentAxis_0b5bd56a-6375-44bc-9fb6-6eef58ab38db" xlink:to="loc_us-gaap_DebtInstrumentNameDomain_0b5bd56a-6375-44bc-9fb6-6eef58ab38db_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentNameDomain_705c6484-d4bb-4cf6-b07b-450aeb258d76" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_DebtInstrumentNameDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_DebtInstrumentAxis_0b5bd56a-6375-44bc-9fb6-6eef58ab38db" xlink:to="loc_us-gaap_DebtInstrumentNameDomain_705c6484-d4bb-4cf6-b07b-450aeb258d76" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_lz_A2021RevolvingFacilityMember_2a8fed56-a590-4533-b441-de7752e52856" xlink:href="lz-20240930.xsd#lz_A2021RevolvingFacilityMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentNameDomain_705c6484-d4bb-4cf6-b07b-450aeb258d76" xlink:to="loc_lz_A2021RevolvingFacilityMember_2a8fed56-a590-4533-b441-de7752e52856" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CreditFacilityAxis_809ff48d-2bd2-4b16-99dd-56c1b2be731c" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_CreditFacilityAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_DebtInstrumentTable_48488207-67e0-4de0-a510-06b0c9c75b45" xlink:to="loc_us-gaap_CreditFacilityAxis_809ff48d-2bd2-4b16-99dd-56c1b2be731c" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CreditFacilityDomain_809ff48d-2bd2-4b16-99dd-56c1b2be731c_default" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_CreditFacilityDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_CreditFacilityAxis_809ff48d-2bd2-4b16-99dd-56c1b2be731c" xlink:to="loc_us-gaap_CreditFacilityDomain_809ff48d-2bd2-4b16-99dd-56c1b2be731c_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CreditFacilityDomain_d99a28f1-89fe-4a17-b168-076096f6ae68" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_CreditFacilityDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_CreditFacilityAxis_809ff48d-2bd2-4b16-99dd-56c1b2be731c" xlink:to="loc_us-gaap_CreditFacilityDomain_d99a28f1-89fe-4a17-b168-076096f6ae68" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RevolvingCreditFacilityMember_7bc2266c-ebce-487d-8f82-3401a34478b3" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_RevolvingCreditFacilityMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_CreditFacilityDomain_d99a28f1-89fe-4a17-b168-076096f6ae68" xlink:to="loc_us-gaap_RevolvingCreditFacilityMember_7bc2266c-ebce-487d-8f82-3401a34478b3" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LetterOfCreditMember_f72ce050-9ac1-42c5-ab96-f1493ae72120" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_LetterOfCreditMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_CreditFacilityDomain_d99a28f1-89fe-4a17-b168-076096f6ae68" xlink:to="loc_us-gaap_LetterOfCreditMember_f72ce050-9ac1-42c5-ab96-f1493ae72120" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_lz_SwinglineLoanMember_5eada67e-13d4-43e8-8588-2b469ffda23a" xlink:href="lz-20240930.xsd#lz_SwinglineLoanMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_CreditFacilityDomain_d99a28f1-89fe-4a17-b168-076096f6ae68" xlink:to="loc_lz_SwinglineLoanMember_5eada67e-13d4-43e8-8588-2b469ffda23a" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_VariableRateAxis_4e4cab30-b112-4e51-bbde-6871edd78a92" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_VariableRateAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_DebtInstrumentTable_48488207-67e0-4de0-a510-06b0c9c75b45" xlink:to="loc_us-gaap_VariableRateAxis_4e4cab30-b112-4e51-bbde-6871edd78a92" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_VariableRateDomain_4e4cab30-b112-4e51-bbde-6871edd78a92_default" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_VariableRateDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_VariableRateAxis_4e4cab30-b112-4e51-bbde-6871edd78a92" xlink:to="loc_us-gaap_VariableRateDomain_4e4cab30-b112-4e51-bbde-6871edd78a92_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_VariableRateDomain_691b96ef-111e-4786-aec9-d06969e3457a" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_VariableRateDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_VariableRateAxis_4e4cab30-b112-4e51-bbde-6871edd78a92" xlink:to="loc_us-gaap_VariableRateDomain_691b96ef-111e-4786-aec9-d06969e3457a" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SecuredOvernightFinancingRateSofrMember_64329f25-e78a-49d7-8954-7f602e2bd100" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_SecuredOvernightFinancingRateSofrMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_VariableRateDomain_691b96ef-111e-4786-aec9-d06969e3457a" xlink:to="loc_us-gaap_SecuredOvernightFinancingRateSofrMember_64329f25-e78a-49d7-8954-7f602e2bd100" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_lz_FederalFundsEffectiveRateMember_38e6e680-e99a-4317-9947-85a118f77890" xlink:href="lz-20240930.xsd#lz_FederalFundsEffectiveRateMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_VariableRateDomain_691b96ef-111e-4786-aec9-d06969e3457a" xlink:to="loc_lz_FederalFundsEffectiveRateMember_38e6e680-e99a-4317-9947-85a118f77890" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity_750b4e27-8a87-4e8a-a98d-30e6c425b98d" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_1f0e14f6-9cf1-4f79-ba37-8aa3612e8329" xlink:to="loc_us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity_750b4e27-8a87-4e8a-a98d-30e6c425b98d" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_lz_DebtInstrumentMaturityPeriod_f6d5de8c-5aa7-42c3-a17d-0b15ff16d5ef" xlink:href="lz-20240930.xsd#lz_DebtInstrumentMaturityPeriod"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_1f0e14f6-9cf1-4f79-ba37-8aa3612e8329" xlink:to="loc_lz_DebtInstrumentMaturityPeriod_f6d5de8c-5aa7-42c3-a17d-0b15ff16d5ef" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DeferredFinanceCostsNet_74a66292-6507-4d7f-b9bf-9e046319d64a" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_DeferredFinanceCostsNet"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_1f0e14f6-9cf1-4f79-ba37-8aa3612e8329" xlink:to="loc_us-gaap_DeferredFinanceCostsNet_74a66292-6507-4d7f-b9bf-9e046319d64a" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentBasisSpreadOnVariableRate1_dc9a5746-d15b-4dab-8a89-6e4dd02fcd29" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_DebtInstrumentBasisSpreadOnVariableRate1"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_1f0e14f6-9cf1-4f79-ba37-8aa3612e8329" xlink:to="loc_us-gaap_DebtInstrumentBasisSpreadOnVariableRate1_dc9a5746-d15b-4dab-8a89-6e4dd02fcd29" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_lz_DebtInstrumentBasisSpreadOnVariableRateFloor_17dd9c19-d54c-4600-b6b0-77388910d505" xlink:href="lz-20240930.xsd#lz_DebtInstrumentBasisSpreadOnVariableRateFloor"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_1f0e14f6-9cf1-4f79-ba37-8aa3612e8329" xlink:to="loc_lz_DebtInstrumentBasisSpreadOnVariableRateFloor_17dd9c19-d54c-4600-b6b0-77388910d505" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_lz_DebtInstrumentBasisSpreadOnVariableRateAdjustment_0827e638-8d4d-403e-b6b8-5e54af6f0c8d" xlink:href="lz-20240930.xsd#lz_DebtInstrumentBasisSpreadOnVariableRateAdjustment"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_1f0e14f6-9cf1-4f79-ba37-8aa3612e8329" xlink:to="loc_lz_DebtInstrumentBasisSpreadOnVariableRateAdjustment_0827e638-8d4d-403e-b6b8-5e54af6f0c8d" xlink:type="arc" order="5"/>
    <link:loc xlink:type="locator" xlink:label="loc_lz_DebtInstrumentBasisSpreadOnVariableRateInitialReduction_7f76c7c2-233c-4218-9e30-7b624d627c79" xlink:href="lz-20240930.xsd#lz_DebtInstrumentBasisSpreadOnVariableRateInitialReduction"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_1f0e14f6-9cf1-4f79-ba37-8aa3612e8329" xlink:to="loc_lz_DebtInstrumentBasisSpreadOnVariableRateInitialReduction_7f76c7c2-233c-4218-9e30-7b624d627c79" xlink:type="arc" order="6"/>
    <link:loc xlink:type="locator" xlink:label="loc_lz_DebtInstrumentBasisSpreadOnVariableRateAdditionalReduction_928f3b20-efeb-49c6-8884-289177918dbe" xlink:href="lz-20240930.xsd#lz_DebtInstrumentBasisSpreadOnVariableRateAdditionalReduction"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_1f0e14f6-9cf1-4f79-ba37-8aa3612e8329" xlink:to="loc_lz_DebtInstrumentBasisSpreadOnVariableRateAdditionalReduction_928f3b20-efeb-49c6-8884-289177918dbe" xlink:type="arc" order="7"/>
    <link:loc xlink:type="locator" xlink:label="loc_lz_DebtInstrumentTotalNetFirstLienLeverageRatioFirstReductionRequirement_4e64f375-d88e-450f-888d-440c9d73cac4" xlink:href="lz-20240930.xsd#lz_DebtInstrumentTotalNetFirstLienLeverageRatioFirstReductionRequirement"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_1f0e14f6-9cf1-4f79-ba37-8aa3612e8329" xlink:to="loc_lz_DebtInstrumentTotalNetFirstLienLeverageRatioFirstReductionRequirement_4e64f375-d88e-450f-888d-440c9d73cac4" xlink:type="arc" order="8"/>
    <link:loc xlink:type="locator" xlink:label="loc_lz_DebtInstrumentTotalNetFirstLienLeverageRatioSecondReductionRequirement_235db8a1-6fdf-48c7-a7a7-4072238b46ea" xlink:href="lz-20240930.xsd#lz_DebtInstrumentTotalNetFirstLienLeverageRatioSecondReductionRequirement"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_1f0e14f6-9cf1-4f79-ba37-8aa3612e8329" xlink:to="loc_lz_DebtInstrumentTotalNetFirstLienLeverageRatioSecondReductionRequirement_235db8a1-6fdf-48c7-a7a7-4072238b46ea" xlink:type="arc" order="9"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LineOfCreditFacilityUnusedCapacityCommitmentFeePercentage_90f9be62-aced-4a02-b8d2-3ad1f565bdf5" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_LineOfCreditFacilityUnusedCapacityCommitmentFeePercentage"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_1f0e14f6-9cf1-4f79-ba37-8aa3612e8329" xlink:to="loc_us-gaap_LineOfCreditFacilityUnusedCapacityCommitmentFeePercentage_90f9be62-aced-4a02-b8d2-3ad1f565bdf5" xlink:type="arc" order="10"/>
    <link:loc xlink:type="locator" xlink:label="loc_lz_LineOfCreditFacilityUnusedCapacityCommitmentFeePercentageReduction_c0c6bd66-109c-4cc5-810e-3a583d1b8190" xlink:href="lz-20240930.xsd#lz_LineOfCreditFacilityUnusedCapacityCommitmentFeePercentageReduction"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_1f0e14f6-9cf1-4f79-ba37-8aa3612e8329" xlink:to="loc_lz_LineOfCreditFacilityUnusedCapacityCommitmentFeePercentageReduction_c0c6bd66-109c-4cc5-810e-3a583d1b8190" xlink:type="arc" order="11"/>
    <link:loc xlink:type="locator" xlink:label="loc_lz_DebtInstrumentCovenantLeverageRatioMaximum_e40ba15a-7a1d-4270-b7b3-39a4f31e6f42" xlink:href="lz-20240930.xsd#lz_DebtInstrumentCovenantLeverageRatioMaximum"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_1f0e14f6-9cf1-4f79-ba37-8aa3612e8329" xlink:to="loc_lz_DebtInstrumentCovenantLeverageRatioMaximum_e40ba15a-7a1d-4270-b7b3-39a4f31e6f42" xlink:type="arc" order="12"/>
    <link:loc xlink:type="locator" xlink:label="loc_lz_DebtInstrumentCovenantLeverageRatio_decd7e7e-fd12-43f8-8211-6b3e2a41f10d" xlink:href="lz-20240930.xsd#lz_DebtInstrumentCovenantLeverageRatio"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_1f0e14f6-9cf1-4f79-ba37-8aa3612e8329" xlink:to="loc_lz_DebtInstrumentCovenantLeverageRatio_decd7e7e-fd12-43f8-8211-6b3e2a41f10d" xlink:type="arc" order="13"/>
    <link:loc xlink:type="locator" xlink:label="loc_lz_DebtInstrumentPercentageOfTotalCommitmentsNotReimbursed_dbf481f3-a060-4420-8064-3823aacf8b05" xlink:href="lz-20240930.xsd#lz_DebtInstrumentPercentageOfTotalCommitmentsNotReimbursed"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_1f0e14f6-9cf1-4f79-ba37-8aa3612e8329" xlink:to="loc_lz_DebtInstrumentPercentageOfTotalCommitmentsNotReimbursed_dbf481f3-a060-4420-8064-3823aacf8b05" xlink:type="arc" order="14"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LettersOfCreditOutstandingAmount_76963a02-becd-4484-bd5c-ed2fd0bac6b8" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_LettersOfCreditOutstandingAmount"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_1f0e14f6-9cf1-4f79-ba37-8aa3612e8329" xlink:to="loc_us-gaap_LettersOfCreditOutstandingAmount_76963a02-becd-4484-bd5c-ed2fd0bac6b8" xlink:type="arc" order="15"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LineOfCredit_8b68755e-c0e6-48f9-8cef-a9b086774a95" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_LineOfCredit"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_1f0e14f6-9cf1-4f79-ba37-8aa3612e8329" xlink:to="loc_us-gaap_LineOfCredit_8b68755e-c0e6-48f9-8cef-a9b086774a95" xlink:type="arc" order="16"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentInterestRateEffectivePercentage_1396c7bd-1e71-4616-98dd-c45c75026535" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_DebtInstrumentInterestRateEffectivePercentage"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_1f0e14f6-9cf1-4f79-ba37-8aa3612e8329" xlink:to="loc_us-gaap_DebtInstrumentInterestRateEffectivePercentage_1396c7bd-1e71-4616-98dd-c45c75026535" xlink:type="arc" order="17"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://leg.com/role/StockholdersEquityDetails" xlink:type="simple" xlink:href="lz-20240930.xsd#StockholdersEquityDetails"/>
  <link:definitionLink xlink:role="http://leg.com/role/StockholdersEquityDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_srt_ShareRepurchaseProgramLineItems_a7d37574-fd66-445f-b3f9-8efe568b4e0a" xlink:href="https://xbrl.fasb.org/srt/2024/elts/srt-2024.xsd#srt_ShareRepurchaseProgramLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_ShareRepurchaseProgramTable_c94b1807-ddf3-4fe5-bfc2-eebabb16a951" xlink:href="https://xbrl.fasb.org/srt/2024/elts/srt-2024.xsd#srt_ShareRepurchaseProgramTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_srt_ShareRepurchaseProgramLineItems_a7d37574-fd66-445f-b3f9-8efe568b4e0a" xlink:to="loc_srt_ShareRepurchaseProgramTable_c94b1807-ddf3-4fe5-bfc2-eebabb16a951" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SubsequentEventTypeAxis_de0e9a6b-ba7a-49ab-b105-75be03603c6c" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_SubsequentEventTypeAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_srt_ShareRepurchaseProgramTable_c94b1807-ddf3-4fe5-bfc2-eebabb16a951" xlink:to="loc_us-gaap_SubsequentEventTypeAxis_de0e9a6b-ba7a-49ab-b105-75be03603c6c" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SubsequentEventTypeDomain_de0e9a6b-ba7a-49ab-b105-75be03603c6c_default" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_SubsequentEventTypeDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_SubsequentEventTypeAxis_de0e9a6b-ba7a-49ab-b105-75be03603c6c" xlink:to="loc_us-gaap_SubsequentEventTypeDomain_de0e9a6b-ba7a-49ab-b105-75be03603c6c_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SubsequentEventTypeDomain_c18497f7-02e0-40c7-9ee9-e2d2f14d3ff7" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_SubsequentEventTypeDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_SubsequentEventTypeAxis_de0e9a6b-ba7a-49ab-b105-75be03603c6c" xlink:to="loc_us-gaap_SubsequentEventTypeDomain_c18497f7-02e0-40c7-9ee9-e2d2f14d3ff7" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SubsequentEventMember_dfa782df-8e71-4778-bd1e-0e5605298b60" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_SubsequentEventMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SubsequentEventTypeDomain_c18497f7-02e0-40c7-9ee9-e2d2f14d3ff7" xlink:to="loc_us-gaap_SubsequentEventMember_dfa782df-8e71-4778-bd1e-0e5605298b60" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_StockRepurchaseProgramAuthorizedAmount1_0fc5b35a-f0b2-45bd-aa7f-f5ffed6e0bfa" xlink:href="https://xbrl.fasb.org/srt/2024/elts/srt-2024.xsd#srt_StockRepurchaseProgramAuthorizedAmount1"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_ShareRepurchaseProgramLineItems_a7d37574-fd66-445f-b3f9-8efe568b4e0a" xlink:to="loc_srt_StockRepurchaseProgramAuthorizedAmount1_0fc5b35a-f0b2-45bd-aa7f-f5ffed6e0bfa" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_lz_ShareRepurchaseProgramAuthorizedAmountIncreaseDecrease_5aee00a9-6cdf-44df-96a2-45ebed6eea92" xlink:href="lz-20240930.xsd#lz_ShareRepurchaseProgramAuthorizedAmountIncreaseDecrease"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_ShareRepurchaseProgramLineItems_a7d37574-fd66-445f-b3f9-8efe568b4e0a" xlink:to="loc_lz_ShareRepurchaseProgramAuthorizedAmountIncreaseDecrease_5aee00a9-6cdf-44df-96a2-45ebed6eea92" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StockRepurchasedDuringPeriodShares_0e0d3074-1269-4865-9938-1635fb1e2a39" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_StockRepurchasedDuringPeriodShares"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_ShareRepurchaseProgramLineItems_a7d37574-fd66-445f-b3f9-8efe568b4e0a" xlink:to="loc_us-gaap_StockRepurchasedDuringPeriodShares_0e0d3074-1269-4865-9938-1635fb1e2a39" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_TreasuryStockAcquiredAverageCostPerShare_57ab4ab4-9a42-44c7-a47f-04fb6f9f8ef3" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_TreasuryStockAcquiredAverageCostPerShare"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_ShareRepurchaseProgramLineItems_a7d37574-fd66-445f-b3f9-8efe568b4e0a" xlink:to="loc_us-gaap_TreasuryStockAcquiredAverageCostPerShare_57ab4ab4-9a42-44c7-a47f-04fb6f9f8ef3" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_lz_StockRepurchasedDuringPeriodValueGross_bbd11a8d-51a3-48ee-ad26-d7786a72d666" xlink:href="lz-20240930.xsd#lz_StockRepurchasedDuringPeriodValueGross"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_ShareRepurchaseProgramLineItems_a7d37574-fd66-445f-b3f9-8efe568b4e0a" xlink:to="loc_lz_StockRepurchasedDuringPeriodValueGross_bbd11a8d-51a3-48ee-ad26-d7786a72d666" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StockRepurchaseProgramRemainingAuthorizedRepurchaseAmount1_7d741652-8d24-49fc-b2f2-2f7c207db13f" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_StockRepurchaseProgramRemainingAuthorizedRepurchaseAmount1"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_ShareRepurchaseProgramLineItems_a7d37574-fd66-445f-b3f9-8efe568b4e0a" xlink:to="loc_us-gaap_StockRepurchaseProgramRemainingAuthorizedRepurchaseAmount1_7d741652-8d24-49fc-b2f2-2f7c207db13f" xlink:type="arc" order="5"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareRepurchaseProgramExciseTaxPayable_f028d160-568d-459f-9685-000fee3a9325" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_ShareRepurchaseProgramExciseTaxPayable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_ShareRepurchaseProgramLineItems_a7d37574-fd66-445f-b3f9-8efe568b4e0a" xlink:to="loc_us-gaap_ShareRepurchaseProgramExciseTaxPayable_f028d160-568d-459f-9685-000fee3a9325" xlink:type="arc" order="6"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://leg.com/role/StockbasedCompensationScheduleofStockBasedCompensationCostDetails" xlink:type="simple" xlink:href="lz-20240930.xsd#StockbasedCompensationScheduleofStockBasedCompensationCostDetails"/>
  <link:definitionLink xlink:role="http://leg.com/role/StockbasedCompensationScheduleofStockBasedCompensationCostDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EmployeeServiceShareBasedCompensationAllocationOfRecognizedPeriodCostsLineItems_02582879-c067-41dd-9bdd-62e1bfd31f2f" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_EmployeeServiceShareBasedCompensationAllocationOfRecognizedPeriodCostsLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ScheduleOfEmployeeServiceShareBasedCompensationAllocationOfRecognizedPeriodCostsTable_794c3c9b-3d18-4b29-965e-3cbc8c6f21de" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_ScheduleOfEmployeeServiceShareBasedCompensationAllocationOfRecognizedPeriodCostsTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_EmployeeServiceShareBasedCompensationAllocationOfRecognizedPeriodCostsLineItems_02582879-c067-41dd-9bdd-62e1bfd31f2f" xlink:to="loc_us-gaap_ScheduleOfEmployeeServiceShareBasedCompensationAllocationOfRecognizedPeriodCostsTable_794c3c9b-3d18-4b29-965e-3cbc8c6f21de" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeStatementLocationAxis_af38a539-6d16-4105-a57a-ee4601a7cfc8" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_IncomeStatementLocationAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfEmployeeServiceShareBasedCompensationAllocationOfRecognizedPeriodCostsTable_794c3c9b-3d18-4b29-965e-3cbc8c6f21de" xlink:to="loc_us-gaap_IncomeStatementLocationAxis_af38a539-6d16-4105-a57a-ee4601a7cfc8" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeStatementLocationDomain_af38a539-6d16-4105-a57a-ee4601a7cfc8_default" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_IncomeStatementLocationDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_IncomeStatementLocationAxis_af38a539-6d16-4105-a57a-ee4601a7cfc8" xlink:to="loc_us-gaap_IncomeStatementLocationDomain_af38a539-6d16-4105-a57a-ee4601a7cfc8_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeStatementLocationDomain_760a5bb9-2f36-48c1-a05d-77a1782764f3" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_IncomeStatementLocationDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_IncomeStatementLocationAxis_af38a539-6d16-4105-a57a-ee4601a7cfc8" xlink:to="loc_us-gaap_IncomeStatementLocationDomain_760a5bb9-2f36-48c1-a05d-77a1782764f3" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CostOfSalesMember_1d0f5030-bbd2-4fa0-b2ed-1879b074ab66" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_CostOfSalesMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncomeStatementLocationDomain_760a5bb9-2f36-48c1-a05d-77a1782764f3" xlink:to="loc_us-gaap_CostOfSalesMember_1d0f5030-bbd2-4fa0-b2ed-1879b074ab66" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SellingAndMarketingExpenseMember_52c407ac-bc87-4cdd-8b72-a1c79a4f6f17" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_SellingAndMarketingExpenseMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncomeStatementLocationDomain_760a5bb9-2f36-48c1-a05d-77a1782764f3" xlink:to="loc_us-gaap_SellingAndMarketingExpenseMember_52c407ac-bc87-4cdd-8b72-a1c79a4f6f17" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_lz_CommunicationsAndInformationTechnologyMember_befde4ab-5f7c-4cb2-a25b-51a078af8b0e" xlink:href="lz-20240930.xsd#lz_CommunicationsAndInformationTechnologyMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncomeStatementLocationDomain_760a5bb9-2f36-48c1-a05d-77a1782764f3" xlink:to="loc_lz_CommunicationsAndInformationTechnologyMember_befde4ab-5f7c-4cb2-a25b-51a078af8b0e" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_GeneralAndAdministrativeExpenseMember_a70cbca5-5f47-49df-9af4-ac33ec490611" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_GeneralAndAdministrativeExpenseMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncomeStatementLocationDomain_760a5bb9-2f36-48c1-a05d-77a1782764f3" xlink:to="loc_us-gaap_GeneralAndAdministrativeExpenseMember_a70cbca5-5f47-49df-9af4-ac33ec490611" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AllocatedShareBasedCompensationExpense_6aa9725b-f73f-48e1-8666-724faca6dc64" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_AllocatedShareBasedCompensationExpense"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_EmployeeServiceShareBasedCompensationAllocationOfRecognizedPeriodCostsLineItems_02582879-c067-41dd-9bdd-62e1bfd31f2f" xlink:to="loc_us-gaap_AllocatedShareBasedCompensationExpense_6aa9725b-f73f-48e1-8666-724faca6dc64" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EmployeeServiceShareBasedCompensationAllocationOfRecognizedPeriodCostsCapitalizedAmount_3b9634b5-4bb5-4204-8ed6-6481d91baf86" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_EmployeeServiceShareBasedCompensationAllocationOfRecognizedPeriodCostsCapitalizedAmount"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_EmployeeServiceShareBasedCompensationAllocationOfRecognizedPeriodCostsLineItems_02582879-c067-41dd-9bdd-62e1bfd31f2f" xlink:to="loc_us-gaap_EmployeeServiceShareBasedCompensationAllocationOfRecognizedPeriodCostsCapitalizedAmount_3b9634b5-4bb5-4204-8ed6-6481d91baf86" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardCompensationCost1_106c946e-83eb-4308-986f-94a6aa58eba7" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardCompensationCost1"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_EmployeeServiceShareBasedCompensationAllocationOfRecognizedPeriodCostsLineItems_02582879-c067-41dd-9bdd-62e1bfd31f2f" xlink:to="loc_us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardCompensationCost1_106c946e-83eb-4308-986f-94a6aa58eba7" xlink:type="arc" order="2"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://leg.com/role/StockBasedCompensationAdditionalInformationDetails" xlink:type="simple" xlink:href="lz-20240930.xsd#StockBasedCompensationAdditionalInformationDetails"/>
  <link:definitionLink xlink:role="http://leg.com/role/StockBasedCompensationAdditionalInformationDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_3951d01a-6c38-4b8d-a904-1b8fe54030d3" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable_7fa57cfb-9f9a-49ed-9719-887e970f1c60" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_3951d01a-6c38-4b8d-a904-1b8fe54030d3" xlink:to="loc_us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable_7fa57cfb-9f9a-49ed-9719-887e970f1c60" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AwardTypeAxis_86e432da-5fa4-47d9-aca5-fb615598248a" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_AwardTypeAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable_7fa57cfb-9f9a-49ed-9719-887e970f1c60" xlink:to="loc_us-gaap_AwardTypeAxis_86e432da-5fa4-47d9-aca5-fb615598248a" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_86e432da-5fa4-47d9-aca5-fb615598248a_default" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_AwardTypeAxis_86e432da-5fa4-47d9-aca5-fb615598248a" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_86e432da-5fa4-47d9-aca5-fb615598248a_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_a22a9c9d-fc58-4399-b791-55daf349443d" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_AwardTypeAxis_86e432da-5fa4-47d9-aca5-fb615598248a" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_a22a9c9d-fc58-4399-b791-55daf349443d" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RestrictedStockUnitsRSUMember_c2c5c588-8110-4d39-9940-70179d8b1b0d" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_RestrictedStockUnitsRSUMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_a22a9c9d-fc58-4399-b791-55daf349443d" xlink:to="loc_us-gaap_RestrictedStockUnitsRSUMember_c2c5c588-8110-4d39-9940-70179d8b1b0d" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_lz_RestrictedStockUnitsRSUsPerformanceConditionsMember_84a0d589-907b-430f-be23-4ad62c5d3590" xlink:href="lz-20240930.xsd#lz_RestrictedStockUnitsRSUsPerformanceConditionsMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_a22a9c9d-fc58-4399-b791-55daf349443d" xlink:to="loc_lz_RestrictedStockUnitsRSUsPerformanceConditionsMember_84a0d589-907b-430f-be23-4ad62c5d3590" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_lz_RestrictedStockUnitsRSUsMarketVestingConditionsMember_421bdc00-cc8a-4db1-a0e1-b77af5aad9dc" xlink:href="lz-20240930.xsd#lz_RestrictedStockUnitsRSUsMarketVestingConditionsMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_a22a9c9d-fc58-4399-b791-55daf349443d" xlink:to="loc_lz_RestrictedStockUnitsRSUsMarketVestingConditionsMember_421bdc00-cc8a-4db1-a0e1-b77af5aad9dc" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_RangeAxis_6ec3a8cb-e4e6-4a75-b5f8-6f8a71582eed" xlink:href="https://xbrl.fasb.org/srt/2024/elts/srt-2024.xsd#srt_RangeAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable_7fa57cfb-9f9a-49ed-9719-887e970f1c60" xlink:to="loc_srt_RangeAxis_6ec3a8cb-e4e6-4a75-b5f8-6f8a71582eed" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_RangeMember_6ec3a8cb-e4e6-4a75-b5f8-6f8a71582eed_default" xlink:href="https://xbrl.fasb.org/srt/2024/elts/srt-2024.xsd#srt_RangeMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_srt_RangeAxis_6ec3a8cb-e4e6-4a75-b5f8-6f8a71582eed" xlink:to="loc_srt_RangeMember_6ec3a8cb-e4e6-4a75-b5f8-6f8a71582eed_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_RangeMember_9595b02e-edf8-4332-8ff7-aa89c9df8678" xlink:href="https://xbrl.fasb.org/srt/2024/elts/srt-2024.xsd#srt_RangeMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_srt_RangeAxis_6ec3a8cb-e4e6-4a75-b5f8-6f8a71582eed" xlink:to="loc_srt_RangeMember_9595b02e-edf8-4332-8ff7-aa89c9df8678" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_MinimumMember_8abc6445-7637-4efc-bbd8-d7687faf9b44" xlink:href="https://xbrl.fasb.org/srt/2024/elts/srt-2024.xsd#srt_MinimumMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_RangeMember_9595b02e-edf8-4332-8ff7-aa89c9df8678" xlink:to="loc_srt_MinimumMember_8abc6445-7637-4efc-bbd8-d7687faf9b44" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_MaximumMember_f062549f-1cf9-4633-b28e-1c6e4f7d6297" xlink:href="https://xbrl.fasb.org/srt/2024/elts/srt-2024.xsd#srt_MaximumMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_RangeMember_9595b02e-edf8-4332-8ff7-aa89c9df8678" xlink:to="loc_srt_MaximumMember_f062549f-1cf9-4633-b28e-1c6e4f7d6297" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_VestingAxis_af216332-297c-4970-8c63-9a99bb278321" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_VestingAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable_7fa57cfb-9f9a-49ed-9719-887e970f1c60" xlink:to="loc_us-gaap_VestingAxis_af216332-297c-4970-8c63-9a99bb278321" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_VestingDomain_af216332-297c-4970-8c63-9a99bb278321_default" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_VestingDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_VestingAxis_af216332-297c-4970-8c63-9a99bb278321" xlink:to="loc_us-gaap_VestingDomain_af216332-297c-4970-8c63-9a99bb278321_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_VestingDomain_34b2a700-a7f2-4ca3-ab1c-5f334930a0f1" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_VestingDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_VestingAxis_af216332-297c-4970-8c63-9a99bb278321" xlink:to="loc_us-gaap_VestingDomain_34b2a700-a7f2-4ca3-ab1c-5f334930a0f1" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationAwardTrancheOneMember_25d208d4-289e-4e99-bc1b-701685364715" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_ShareBasedCompensationAwardTrancheOneMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_VestingDomain_34b2a700-a7f2-4ca3-ab1c-5f334930a0f1" xlink:to="loc_us-gaap_ShareBasedCompensationAwardTrancheOneMember_25d208d4-289e-4e99-bc1b-701685364715" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationAwardTrancheTwoMember_904b1bec-686f-41ce-b529-a4e350a0f9f7" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_ShareBasedCompensationAwardTrancheTwoMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_VestingDomain_34b2a700-a7f2-4ca3-ab1c-5f334930a0f1" xlink:to="loc_us-gaap_ShareBasedCompensationAwardTrancheTwoMember_904b1bec-686f-41ce-b529-a4e350a0f9f7" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod_ea3fcef9-288d-4f2f-9501-30ad748075b3" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_3951d01a-6c38-4b8d-a904-1b8fe54030d3" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod_ea3fcef9-288d-4f2f-9501-30ad748075b3" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_lz_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantedDuringPeriodAggregateFairValue_1c6c887c-5f9f-4abf-bbea-155c21c9ee78" xlink:href="lz-20240930.xsd#lz_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantedDuringPeriodAggregateFairValue"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_3951d01a-6c38-4b8d-a904-1b8fe54030d3" xlink:to="loc_lz_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantedDuringPeriodAggregateFairValue_1c6c887c-5f9f-4abf-bbea-155c21c9ee78" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_lz_ShareBasedCompensationArrangementByShareBasedCompensationAwardRevenueProfitabilityAndMarketShareTargetsPercentageOfTargetAward_d67eb904-de96-4690-b9ef-d803cbba88a2" xlink:href="lz-20240930.xsd#lz_ShareBasedCompensationArrangementByShareBasedCompensationAwardRevenueProfitabilityAndMarketShareTargetsPercentageOfTargetAward"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_3951d01a-6c38-4b8d-a904-1b8fe54030d3" xlink:to="loc_lz_ShareBasedCompensationArrangementByShareBasedCompensationAwardRevenueProfitabilityAndMarketShareTargetsPercentageOfTargetAward_d67eb904-de96-4690-b9ef-d803cbba88a2" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AllocatedShareBasedCompensationExpense_4cd1f535-b317-48b1-b5d1-52b8ec7b81d1" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_AllocatedShareBasedCompensationExpense"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_3951d01a-6c38-4b8d-a904-1b8fe54030d3" xlink:to="loc_us-gaap_AllocatedShareBasedCompensationExpense_4cd1f535-b317-48b1-b5d1-52b8ec7b81d1" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardAwardRequisiteServicePeriod1_7cc3e700-659b-4bdc-bb1e-85b9f2678d27" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardAwardRequisiteServicePeriod1"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_3951d01a-6c38-4b8d-a904-1b8fe54030d3" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardAwardRequisiteServicePeriod1_7cc3e700-659b-4bdc-bb1e-85b9f2678d27" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_lz_ShareBasedCompensationArrangementByShareBasedPaymentAwardAwardVestingRightsThresholdTradingDaysOfStockPriceTrigger_c03eca3f-0e86-43e2-926b-a85ba3b63bfb" xlink:href="lz-20240930.xsd#lz_ShareBasedCompensationArrangementByShareBasedPaymentAwardAwardVestingRightsThresholdTradingDaysOfStockPriceTrigger"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_3951d01a-6c38-4b8d-a904-1b8fe54030d3" xlink:to="loc_lz_ShareBasedCompensationArrangementByShareBasedPaymentAwardAwardVestingRightsThresholdTradingDaysOfStockPriceTrigger_c03eca3f-0e86-43e2-926b-a85ba3b63bfb" xlink:type="arc" order="5"/>
    <link:loc xlink:type="locator" xlink:label="loc_lz_ShareBasedCompensationArrangementByShareBasedPaymentAwardAwardVestingRightsPerformancePeriodExtension_8d07ddf4-deb9-4d02-a630-bc57e148e4fa" xlink:href="lz-20240930.xsd#lz_ShareBasedCompensationArrangementByShareBasedPaymentAwardAwardVestingRightsPerformancePeriodExtension"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_3951d01a-6c38-4b8d-a904-1b8fe54030d3" xlink:to="loc_lz_ShareBasedCompensationArrangementByShareBasedPaymentAwardAwardVestingRightsPerformancePeriodExtension_8d07ddf4-deb9-4d02-a630-bc57e148e4fa" xlink:type="arc" order="6"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardAwardVestingPeriod1_79ce5506-2102-4bc8-a311-f610d29c1a6c" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardAwardVestingPeriod1"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_3951d01a-6c38-4b8d-a904-1b8fe54030d3" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardAwardVestingPeriod1_79ce5506-2102-4bc8-a311-f610d29c1a6c" xlink:type="arc" order="7"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardAwardVestingRightsPercentage_f9105aca-d9e4-4a7e-86dc-8ad3873e361a" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardAwardVestingRightsPercentage"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_3951d01a-6c38-4b8d-a904-1b8fe54030d3" xlink:to="loc_us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardAwardVestingRightsPercentage_f9105aca-d9e4-4a7e-86dc-8ad3873e361a" xlink:type="arc" order="8"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://leg.com/role/StockbasedCompensationScheduleofFairValueAssumptionsandTechniquesforPerformanceSharesDetails" xlink:type="simple" xlink:href="lz-20240930.xsd#StockbasedCompensationScheduleofFairValueAssumptionsandTechniquesforPerformanceSharesDetails"/>
  <link:definitionLink xlink:role="http://leg.com/role/StockbasedCompensationScheduleofFairValueAssumptionsandTechniquesforPerformanceSharesDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_97b56e3e-2ce4-4d47-b9ce-93a72be6b8df" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable_7a21422d-038e-4a8e-8b46-f37fe107a41e" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_97b56e3e-2ce4-4d47-b9ce-93a72be6b8df" xlink:to="loc_us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable_7a21422d-038e-4a8e-8b46-f37fe107a41e" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AwardTypeAxis_ad00cab4-3757-46e8-8b32-e352981be0ea" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_AwardTypeAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable_7a21422d-038e-4a8e-8b46-f37fe107a41e" xlink:to="loc_us-gaap_AwardTypeAxis_ad00cab4-3757-46e8-8b32-e352981be0ea" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_ad00cab4-3757-46e8-8b32-e352981be0ea_default" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_AwardTypeAxis_ad00cab4-3757-46e8-8b32-e352981be0ea" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_ad00cab4-3757-46e8-8b32-e352981be0ea_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_1a9d4338-15e4-4633-b245-d1183f14f316" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_AwardTypeAxis_ad00cab4-3757-46e8-8b32-e352981be0ea" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_1a9d4338-15e4-4633-b245-d1183f14f316" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_lz_RestrictedStockUnitsRSUsPerformanceConditionsMember_dd139fd7-26b9-43e9-9a7b-661624ccbb94" xlink:href="lz-20240930.xsd#lz_RestrictedStockUnitsRSUsPerformanceConditionsMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_1a9d4338-15e4-4633-b245-d1183f14f316" xlink:to="loc_lz_RestrictedStockUnitsRSUsPerformanceConditionsMember_dd139fd7-26b9-43e9-9a7b-661624ccbb94" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_lz_RestrictedStockUnitsRSUsMarketVestingConditionsMember_872dc93c-ae2a-4296-b4a2-2d68f1b06b25" xlink:href="lz-20240930.xsd#lz_RestrictedStockUnitsRSUsMarketVestingConditionsMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_1a9d4338-15e4-4633-b245-d1183f14f316" xlink:to="loc_lz_RestrictedStockUnitsRSUsMarketVestingConditionsMember_872dc93c-ae2a-4296-b4a2-2d68f1b06b25" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_RangeAxis_8e02e647-5ad6-45b1-8d3b-20cfba26852c" xlink:href="https://xbrl.fasb.org/srt/2024/elts/srt-2024.xsd#srt_RangeAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable_7a21422d-038e-4a8e-8b46-f37fe107a41e" xlink:to="loc_srt_RangeAxis_8e02e647-5ad6-45b1-8d3b-20cfba26852c" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_RangeMember_8e02e647-5ad6-45b1-8d3b-20cfba26852c_default" xlink:href="https://xbrl.fasb.org/srt/2024/elts/srt-2024.xsd#srt_RangeMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_srt_RangeAxis_8e02e647-5ad6-45b1-8d3b-20cfba26852c" xlink:to="loc_srt_RangeMember_8e02e647-5ad6-45b1-8d3b-20cfba26852c_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_RangeMember_30a4a847-d518-499b-89ff-761a8084d8f9" xlink:href="https://xbrl.fasb.org/srt/2024/elts/srt-2024.xsd#srt_RangeMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_srt_RangeAxis_8e02e647-5ad6-45b1-8d3b-20cfba26852c" xlink:to="loc_srt_RangeMember_30a4a847-d518-499b-89ff-761a8084d8f9" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_MinimumMember_25c317c5-d0b2-4703-bf46-f4773c5cc321" xlink:href="https://xbrl.fasb.org/srt/2024/elts/srt-2024.xsd#srt_MinimumMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_RangeMember_30a4a847-d518-499b-89ff-761a8084d8f9" xlink:to="loc_srt_MinimumMember_25c317c5-d0b2-4703-bf46-f4773c5cc321" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_MaximumMember_6932202c-5cfb-443c-9332-1dca5ef0a7f1" xlink:href="https://xbrl.fasb.org/srt/2024/elts/srt-2024.xsd#srt_MaximumMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_RangeMember_30a4a847-d518-499b-89ff-761a8084d8f9" xlink:to="loc_srt_MaximumMember_6932202c-5cfb-443c-9332-1dca5ef0a7f1" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardFairValueAssumptionsExpectedTerm1_4d2214ef-10c0-4cd6-9037-d58d3bd79f40" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardFairValueAssumptionsExpectedTerm1"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_97b56e3e-2ce4-4d47-b9ce-93a72be6b8df" xlink:to="loc_us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardFairValueAssumptionsExpectedTerm1_4d2214ef-10c0-4cd6-9037-d58d3bd79f40" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRate_3eb75628-72a6-4534-bc4f-3aa168ddca18" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRate"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_97b56e3e-2ce4-4d47-b9ce-93a72be6b8df" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRate_3eb75628-72a6-4534-bc4f-3aa168ddca18" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRateMinimum_cceb6bb7-5778-4050-9887-1352012c6946" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRateMinimum"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRate_3eb75628-72a6-4534-bc4f-3aa168ddca18" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRateMinimum_cceb6bb7-5778-4050-9887-1352012c6946" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRateMaximum_16f41687-c549-42aa-ab9e-f3cb4161d3d4" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRateMaximum"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRate_3eb75628-72a6-4534-bc4f-3aa168ddca18" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRateMaximum_16f41687-c549-42aa-ab9e-f3cb4161d3d4" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRate_4d4fe06a-c42f-4699-ade7-e3c05afdb53d" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRate"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_97b56e3e-2ce4-4d47-b9ce-93a72be6b8df" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRate_4d4fe06a-c42f-4699-ade7-e3c05afdb53d" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRateMinimum_f83472de-e649-4c83-b004-488deae150f5" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRateMinimum"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRate_4d4fe06a-c42f-4699-ade7-e3c05afdb53d" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRateMinimum_f83472de-e649-4c83-b004-488deae150f5" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRateMaximum_519903fd-270a-4bfd-81b6-3ccc53ad9fd9" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRateMaximum"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRate_4d4fe06a-c42f-4699-ade7-e3c05afdb53d" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRateMaximum_519903fd-270a-4bfd-81b6-3ccc53ad9fd9" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedDividendRate_65b81cdc-a6ef-405e-b547-5a617d572ae4" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedDividendRate"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_97b56e3e-2ce4-4d47-b9ce-93a72be6b8df" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedDividendRate_65b81cdc-a6ef-405e-b547-5a617d572ae4" xlink:type="arc" order="3"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://leg.com/role/NetIncomePerShareEarningsPerShareDetails" xlink:type="simple" xlink:href="lz-20240930.xsd#NetIncomePerShareEarningsPerShareDetails"/>
  <link:definitionLink xlink:role="http://leg.com/role/NetIncomePerShareEarningsPerShareDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EarningsPerShareBasicLineItems_ad58201b-8de6-4541-9a19-d852f233416b" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_EarningsPerShareBasicLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ScheduleOfEarningsPerShareBasicByCommonClassTable_30f11b51-2d68-4674-a4af-e45ce1fc5c71" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_ScheduleOfEarningsPerShareBasicByCommonClassTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_EarningsPerShareBasicLineItems_ad58201b-8de6-4541-9a19-d852f233416b" xlink:to="loc_us-gaap_ScheduleOfEarningsPerShareBasicByCommonClassTable_30f11b51-2d68-4674-a4af-e45ce1fc5c71" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AwardTypeAxis_ef47ea8d-5cd2-4edf-93b1-a42f8bc8c19e" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_AwardTypeAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfEarningsPerShareBasicByCommonClassTable_30f11b51-2d68-4674-a4af-e45ce1fc5c71" xlink:to="loc_us-gaap_AwardTypeAxis_ef47ea8d-5cd2-4edf-93b1-a42f8bc8c19e" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_ef47ea8d-5cd2-4edf-93b1-a42f8bc8c19e_default" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_AwardTypeAxis_ef47ea8d-5cd2-4edf-93b1-a42f8bc8c19e" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_ef47ea8d-5cd2-4edf-93b1-a42f8bc8c19e_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_9e1c0693-bbcb-4d42-b23a-272a23e5ac68" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_AwardTypeAxis_ef47ea8d-5cd2-4edf-93b1-a42f8bc8c19e" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_9e1c0693-bbcb-4d42-b23a-272a23e5ac68" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EmployeeStockOptionMember_f9b5d13a-f267-4034-b9b4-b8c37b5a5824" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_EmployeeStockOptionMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_9e1c0693-bbcb-4d42-b23a-272a23e5ac68" xlink:to="loc_us-gaap_EmployeeStockOptionMember_f9b5d13a-f267-4034-b9b4-b8c37b5a5824" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RestrictedStockUnitsRSUMember_a8449bce-73e8-44cf-b0ab-1f3e71246217" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_RestrictedStockUnitsRSUMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_9e1c0693-bbcb-4d42-b23a-272a23e5ac68" xlink:to="loc_us-gaap_RestrictedStockUnitsRSUMember_a8449bce-73e8-44cf-b0ab-1f3e71246217" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EmployeeStockMember_b6ab9376-5386-4150-867b-66c6f2c3dfd4" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_EmployeeStockMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_9e1c0693-bbcb-4d42-b23a-272a23e5ac68" xlink:to="loc_us-gaap_EmployeeStockMember_b6ab9376-5386-4150-867b-66c6f2c3dfd4" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_lz_NumeratorAbstract_82bc4696-02cd-4ef9-ad7c-94c4d482f55b" xlink:href="lz-20240930.xsd#lz_NumeratorAbstract"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_EarningsPerShareBasicLineItems_ad58201b-8de6-4541-9a19-d852f233416b" xlink:to="loc_lz_NumeratorAbstract_82bc4696-02cd-4ef9-ad7c-94c4d482f55b" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NetIncomeLoss_ec8778d0-b224-48f4-b99e-093f4abd85fe" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_NetIncomeLoss"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_lz_NumeratorAbstract_82bc4696-02cd-4ef9-ad7c-94c4d482f55b" xlink:to="loc_us-gaap_NetIncomeLoss_ec8778d0-b224-48f4-b99e-093f4abd85fe" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_lz_DenominatorAbstract_2c86ed53-fb51-426c-89f5-58e44a4c7c13" xlink:href="lz-20240930.xsd#lz_DenominatorAbstract"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_EarningsPerShareBasicLineItems_ad58201b-8de6-4541-9a19-d852f233416b" xlink:to="loc_lz_DenominatorAbstract_2c86ed53-fb51-426c-89f5-58e44a4c7c13" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_WeightedAverageNumberOfSharesOutstandingBasic_879d014d-032e-4151-8327-abe96cfb1b47" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_WeightedAverageNumberOfSharesOutstandingBasic"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_lz_DenominatorAbstract_2c86ed53-fb51-426c-89f5-58e44a4c7c13" xlink:to="loc_us-gaap_WeightedAverageNumberOfSharesOutstandingBasic_879d014d-032e-4151-8327-abe96cfb1b47" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncrementalCommonSharesAttributableToShareBasedPaymentArrangements_af1c5cbc-bc2f-4f6e-a935-b639d22a9ee8" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_IncrementalCommonSharesAttributableToShareBasedPaymentArrangements"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_lz_DenominatorAbstract_2c86ed53-fb51-426c-89f5-58e44a4c7c13" xlink:to="loc_us-gaap_IncrementalCommonSharesAttributableToShareBasedPaymentArrangements_af1c5cbc-bc2f-4f6e-a935-b639d22a9ee8" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding_89be4cb6-02af-462c-ac5c-7060a284bb89" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_lz_DenominatorAbstract_2c86ed53-fb51-426c-89f5-58e44a4c7c13" xlink:to="loc_us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding_89be4cb6-02af-462c-ac5c-7060a284bb89" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EarningsPerShareBasic_96f82dc9-faf7-4c85-9858-6ec109035e6b" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_EarningsPerShareBasic"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_EarningsPerShareBasicLineItems_ad58201b-8de6-4541-9a19-d852f233416b" xlink:to="loc_us-gaap_EarningsPerShareBasic_96f82dc9-faf7-4c85-9858-6ec109035e6b" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EarningsPerShareDiluted_b355622c-6a73-4917-821d-0441dd815483" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_EarningsPerShareDiluted"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_EarningsPerShareBasicLineItems_ad58201b-8de6-4541-9a19-d852f233416b" xlink:to="loc_us-gaap_EarningsPerShareDiluted_b355622c-6a73-4917-821d-0441dd815483" xlink:type="arc" order="3"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://leg.com/role/NetIncomePerShareAntidilutiveSecuritiesDetails" xlink:type="simple" xlink:href="lz-20240930.xsd#NetIncomePerShareAntidilutiveSecuritiesDetails"/>
  <link:definitionLink xlink:role="http://leg.com/role/NetIncomePerShareAntidilutiveSecuritiesDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareLineItems_f060fcf9-97ec-4535-a08c-5d0791f66792" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ScheduleOfAntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareTable_035c1f46-f292-400a-bbb2-efae93a0187b" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_ScheduleOfAntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareLineItems_f060fcf9-97ec-4535-a08c-5d0791f66792" xlink:to="loc_us-gaap_ScheduleOfAntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareTable_035c1f46-f292-400a-bbb2-efae93a0187b" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareByAntidilutiveSecuritiesAxis_b523c1e5-16ce-4d0d-946f-f7c76c1ce7ac" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareByAntidilutiveSecuritiesAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfAntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareTable_035c1f46-f292-400a-bbb2-efae93a0187b" xlink:to="loc_us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareByAntidilutiveSecuritiesAxis_b523c1e5-16ce-4d0d-946f-f7c76c1ce7ac" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AntidilutiveSecuritiesNameDomain_b523c1e5-16ce-4d0d-946f-f7c76c1ce7ac_default" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_AntidilutiveSecuritiesNameDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareByAntidilutiveSecuritiesAxis_b523c1e5-16ce-4d0d-946f-f7c76c1ce7ac" xlink:to="loc_us-gaap_AntidilutiveSecuritiesNameDomain_b523c1e5-16ce-4d0d-946f-f7c76c1ce7ac_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AntidilutiveSecuritiesNameDomain_c76a28b8-ca35-452f-a70e-a198d04bf640" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_AntidilutiveSecuritiesNameDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareByAntidilutiveSecuritiesAxis_b523c1e5-16ce-4d0d-946f-f7c76c1ce7ac" xlink:to="loc_us-gaap_AntidilutiveSecuritiesNameDomain_c76a28b8-ca35-452f-a70e-a198d04bf640" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EmployeeStockOptionMember_3495091e-8bd8-4da5-acd5-2d3ea3b91d6c" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_EmployeeStockOptionMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AntidilutiveSecuritiesNameDomain_c76a28b8-ca35-452f-a70e-a198d04bf640" xlink:to="loc_us-gaap_EmployeeStockOptionMember_3495091e-8bd8-4da5-acd5-2d3ea3b91d6c" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RestrictedStockUnitsRSUMember_4b7e2a83-a4a1-41a7-9f03-44da96388929" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_RestrictedStockUnitsRSUMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AntidilutiveSecuritiesNameDomain_c76a28b8-ca35-452f-a70e-a198d04bf640" xlink:to="loc_us-gaap_RestrictedStockUnitsRSUMember_4b7e2a83-a4a1-41a7-9f03-44da96388929" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EmployeeStockMember_cfa73cca-88f1-4787-b03e-feda56519d2e" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_EmployeeStockMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AntidilutiveSecuritiesNameDomain_c76a28b8-ca35-452f-a70e-a198d04bf640" xlink:to="loc_us-gaap_EmployeeStockMember_cfa73cca-88f1-4787-b03e-feda56519d2e" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount_c442feb5-9156-4713-a488-628ef75e5e76" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareLineItems_f060fcf9-97ec-4535-a08c-5d0791f66792" xlink:to="loc_us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount_c442feb5-9156-4713-a488-628ef75e5e76" xlink:type="arc" order="0"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://leg.com/role/RestructuringDetails" xlink:type="simple" xlink:href="lz-20240930.xsd#RestructuringDetails"/>
  <link:definitionLink xlink:role="http://leg.com/role/RestructuringDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RestructuringCostAndReserveLineItems_54f9c9e0-4f62-461a-8d22-cf1a1385249d" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_RestructuringCostAndReserveLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ScheduleOfRestructuringAndRelatedCostsTable_29cc07a6-59b5-4be6-8fda-5cb86cf08dae" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_ScheduleOfRestructuringAndRelatedCostsTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_RestructuringCostAndReserveLineItems_54f9c9e0-4f62-461a-8d22-cf1a1385249d" xlink:to="loc_us-gaap_ScheduleOfRestructuringAndRelatedCostsTable_29cc07a6-59b5-4be6-8fda-5cb86cf08dae" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RestructuringPlanAxis_26d9d625-95a5-4469-b7af-1303de606045" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_RestructuringPlanAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfRestructuringAndRelatedCostsTable_29cc07a6-59b5-4be6-8fda-5cb86cf08dae" xlink:to="loc_us-gaap_RestructuringPlanAxis_26d9d625-95a5-4469-b7af-1303de606045" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RestructuringPlanDomain_26d9d625-95a5-4469-b7af-1303de606045_default" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_RestructuringPlanDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_RestructuringPlanAxis_26d9d625-95a5-4469-b7af-1303de606045" xlink:to="loc_us-gaap_RestructuringPlanDomain_26d9d625-95a5-4469-b7af-1303de606045_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RestructuringPlanDomain_43e74b38-d1fa-4b76-b94c-f636977c89e9" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_RestructuringPlanDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_RestructuringPlanAxis_26d9d625-95a5-4469-b7af-1303de606045" xlink:to="loc_us-gaap_RestructuringPlanDomain_43e74b38-d1fa-4b76-b94c-f636977c89e9" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_lz_August2024RestructuringPlanMember_36803976-d26f-4613-8b35-3b2b743dc8f3" xlink:href="lz-20240930.xsd#lz_August2024RestructuringPlanMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RestructuringPlanDomain_43e74b38-d1fa-4b76-b94c-f636977c89e9" xlink:to="loc_lz_August2024RestructuringPlanMember_36803976-d26f-4613-8b35-3b2b743dc8f3" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SeveranceCosts1_69fb6d63-3267-41bc-9cba-0899473c8365" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_SeveranceCosts1"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RestructuringCostAndReserveLineItems_54f9c9e0-4f62-461a-8d22-cf1a1385249d" xlink:to="loc_us-gaap_SeveranceCosts1_69fb6d63-3267-41bc-9cba-0899473c8365" xlink:type="arc" order="0"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://leg.com/role/FairValueMeasurementsDetails" xlink:type="simple" xlink:href="lz-20240930.xsd#FairValueMeasurementsDetails"/>
  <link:definitionLink xlink:role="http://leg.com/role/FairValueMeasurementsDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisLineItems_442af581-1276-4f11-9bbc-0d8cf44b29e5" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisTable_057854cd-abe9-4576-9a69-6c37917736d8" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisLineItems_442af581-1276-4f11-9bbc-0d8cf44b29e5" xlink:to="loc_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisTable_057854cd-abe9-4576-9a69-6c37917736d8" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueByFairValueHierarchyLevelAxis_91e96e51-55cf-4aef-9804-14f0368fbcc3" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_FairValueByFairValueHierarchyLevelAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisTable_057854cd-abe9-4576-9a69-6c37917736d8" xlink:to="loc_us-gaap_FairValueByFairValueHierarchyLevelAxis_91e96e51-55cf-4aef-9804-14f0368fbcc3" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueMeasurementsFairValueHierarchyDomain_91e96e51-55cf-4aef-9804-14f0368fbcc3_default" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_FairValueMeasurementsFairValueHierarchyDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_FairValueByFairValueHierarchyLevelAxis_91e96e51-55cf-4aef-9804-14f0368fbcc3" xlink:to="loc_us-gaap_FairValueMeasurementsFairValueHierarchyDomain_91e96e51-55cf-4aef-9804-14f0368fbcc3_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueMeasurementsFairValueHierarchyDomain_335a02ee-6ad7-4d54-a492-acc7ae3666a0" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_FairValueMeasurementsFairValueHierarchyDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_FairValueByFairValueHierarchyLevelAxis_91e96e51-55cf-4aef-9804-14f0368fbcc3" xlink:to="loc_us-gaap_FairValueMeasurementsFairValueHierarchyDomain_335a02ee-6ad7-4d54-a492-acc7ae3666a0" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueInputsLevel1Member_6570de78-e0e6-4c8b-a922-ff4aa56f1b98" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_FairValueInputsLevel1Member"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FairValueMeasurementsFairValueHierarchyDomain_335a02ee-6ad7-4d54-a492-acc7ae3666a0" xlink:to="loc_us-gaap_FairValueInputsLevel1Member_6570de78-e0e6-4c8b-a922-ff4aa56f1b98" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueInputsLevel2Member_e0b14cdb-9cbf-4b02-ae7c-179a6eb468c6" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_FairValueInputsLevel2Member"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FairValueMeasurementsFairValueHierarchyDomain_335a02ee-6ad7-4d54-a492-acc7ae3666a0" xlink:to="loc_us-gaap_FairValueInputsLevel2Member_e0b14cdb-9cbf-4b02-ae7c-179a6eb468c6" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueInputsLevel3Member_808758ff-fc6b-4e96-82ea-0dcbcb9ec5b1" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_FairValueInputsLevel3Member"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FairValueMeasurementsFairValueHierarchyDomain_335a02ee-6ad7-4d54-a492-acc7ae3666a0" xlink:to="loc_us-gaap_FairValueInputsLevel3Member_808758ff-fc6b-4e96-82ea-0dcbcb9ec5b1" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CashAndCashEquivalentsAxis_a1ef3bd5-435b-4ec7-955f-c9b6e8a5aa76" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_CashAndCashEquivalentsAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisTable_057854cd-abe9-4576-9a69-6c37917736d8" xlink:to="loc_us-gaap_CashAndCashEquivalentsAxis_a1ef3bd5-435b-4ec7-955f-c9b6e8a5aa76" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RestrictedCashAndCashEquivalentsCashAndCashEquivalentsMember_a1ef3bd5-435b-4ec7-955f-c9b6e8a5aa76_default" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_RestrictedCashAndCashEquivalentsCashAndCashEquivalentsMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_CashAndCashEquivalentsAxis_a1ef3bd5-435b-4ec7-955f-c9b6e8a5aa76" xlink:to="loc_us-gaap_RestrictedCashAndCashEquivalentsCashAndCashEquivalentsMember_a1ef3bd5-435b-4ec7-955f-c9b6e8a5aa76_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RestrictedCashAndCashEquivalentsCashAndCashEquivalentsMember_3d45632e-a156-4f28-99cb-1f5f06204f65" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_RestrictedCashAndCashEquivalentsCashAndCashEquivalentsMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_CashAndCashEquivalentsAxis_a1ef3bd5-435b-4ec7-955f-c9b6e8a5aa76" xlink:to="loc_us-gaap_RestrictedCashAndCashEquivalentsCashAndCashEquivalentsMember_3d45632e-a156-4f28-99cb-1f5f06204f65" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_MoneyMarketFundsMember_54e3c43a-d359-445b-8799-a782c775b899" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_MoneyMarketFundsMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RestrictedCashAndCashEquivalentsCashAndCashEquivalentsMember_3d45632e-a156-4f28-99cb-1f5f06204f65" xlink:to="loc_us-gaap_MoneyMarketFundsMember_54e3c43a-d359-445b-8799-a782c775b899" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtSecuritiesAvailableForSaleExcludingAccruedInterest_251445bf-19c4-4b9b-b0e2-f5ec2aea8e2e" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_DebtSecuritiesAvailableForSaleExcludingAccruedInterest"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisLineItems_442af581-1276-4f11-9bbc-0d8cf44b29e5" xlink:to="loc_us-gaap_DebtSecuritiesAvailableForSaleExcludingAccruedInterest_251445bf-19c4-4b9b-b0e2-f5ec2aea8e2e" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CashAndCashEquivalentsFairValueDisclosure_88292db4-decd-4cc1-b520-07d0cfa24a4c" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_CashAndCashEquivalentsFairValueDisclosure"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisLineItems_442af581-1276-4f11-9bbc-0d8cf44b29e5" xlink:to="loc_us-gaap_CashAndCashEquivalentsFairValueDisclosure_88292db4-decd-4cc1-b520-07d0cfa24a4c" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AssetsFairValueDisclosure_8c2d52e7-9985-4c4e-8ef1-1d17660850d3" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_AssetsFairValueDisclosure"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisLineItems_442af581-1276-4f11-9bbc-0d8cf44b29e5" xlink:to="loc_us-gaap_AssetsFairValueDisclosure_8c2d52e7-9985-4c4e-8ef1-1d17660850d3" xlink:type="arc" order="2"/>
  </link:definitionLink>
</link:linkbase>
