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

<!--XBRL Document Created with the Workiva Platform-->
<!--Copyright 2025 Workiva-->
<!--r:1ed355a9-0a57-4529-9fca-6725b5699505,g:d1010ebb-46bb-4a94-9665-74ee9de89782-->
<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://www.starz.com/role/Cover" xlink:type="simple" xlink:href="starz-20250820.xsd#Cover"/>
  <link:definitionLink xlink:role="http://www.starz.com/role/Cover" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityAddressesLineItems_9b5f0885-dd8c-41ee-b8c7-74a7c0b6a39e" xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.xsd#dei_EntityAddressesLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityAddressesTable_2738c7b7-e6ec-43d2-97c9-7054ce0e2ce4" xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.xsd#dei_EntityAddressesTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_dei_EntityAddressesLineItems_9b5f0885-dd8c-41ee-b8c7-74a7c0b6a39e" xlink:to="loc_dei_EntityAddressesTable_2738c7b7-e6ec-43d2-97c9-7054ce0e2ce4" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityAddressesAddressTypeAxis_8da40af8-422b-44f5-a8bd-eb0ca572ee31" xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.xsd#dei_EntityAddressesAddressTypeAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_dei_EntityAddressesTable_2738c7b7-e6ec-43d2-97c9-7054ce0e2ce4" xlink:to="loc_dei_EntityAddressesAddressTypeAxis_8da40af8-422b-44f5-a8bd-eb0ca572ee31" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_AddressTypeDomain_8da40af8-422b-44f5-a8bd-eb0ca572ee31_default" xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.xsd#dei_AddressTypeDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_dei_EntityAddressesAddressTypeAxis_8da40af8-422b-44f5-a8bd-eb0ca572ee31" xlink:to="loc_dei_AddressTypeDomain_8da40af8-422b-44f5-a8bd-eb0ca572ee31_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_AddressTypeDomain_fe9f4d6d-edcc-4a56-ac66-8458cc61bb0b" xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.xsd#dei_AddressTypeDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_dei_EntityAddressesAddressTypeAxis_8da40af8-422b-44f5-a8bd-eb0ca572ee31" xlink:to="loc_dei_AddressTypeDomain_fe9f4d6d-edcc-4a56-ac66-8458cc61bb0b" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_OtherAddressMember_11fef370-6ae8-41f4-bf01-2d58d1c8ccdd" xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.xsd#dei_OtherAddressMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_AddressTypeDomain_fe9f4d6d-edcc-4a56-ac66-8458cc61bb0b" xlink:to="loc_dei_OtherAddressMember_11fef370-6ae8-41f4-bf01-2d58d1c8ccdd" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_DocumentType_37478cc1-13b6-4e1a-b5bf-5ffeaf45ce1c" xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.xsd#dei_DocumentType"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_EntityAddressesLineItems_9b5f0885-dd8c-41ee-b8c7-74a7c0b6a39e" xlink:to="loc_dei_DocumentType_37478cc1-13b6-4e1a-b5bf-5ffeaf45ce1c" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_DocumentPeriodEndDate_a2fe1f88-2da3-4d5c-9460-69177d9e7dca" xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.xsd#dei_DocumentPeriodEndDate"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_EntityAddressesLineItems_9b5f0885-dd8c-41ee-b8c7-74a7c0b6a39e" xlink:to="loc_dei_DocumentPeriodEndDate_a2fe1f88-2da3-4d5c-9460-69177d9e7dca" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityRegistrantName_252b835d-e968-4c53-bce2-51e64bc1886d" xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.xsd#dei_EntityRegistrantName"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_EntityAddressesLineItems_9b5f0885-dd8c-41ee-b8c7-74a7c0b6a39e" xlink:to="loc_dei_EntityRegistrantName_252b835d-e968-4c53-bce2-51e64bc1886d" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityIncorporationStateCountryCode_cdd3d675-4c17-4106-bc37-7f0ab7260c14" xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.xsd#dei_EntityIncorporationStateCountryCode"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_EntityAddressesLineItems_9b5f0885-dd8c-41ee-b8c7-74a7c0b6a39e" xlink:to="loc_dei_EntityIncorporationStateCountryCode_cdd3d675-4c17-4106-bc37-7f0ab7260c14" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityFileNumber_31b4d6da-7867-4c3a-ab3b-262868b5254b" xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.xsd#dei_EntityFileNumber"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_EntityAddressesLineItems_9b5f0885-dd8c-41ee-b8c7-74a7c0b6a39e" xlink:to="loc_dei_EntityFileNumber_31b4d6da-7867-4c3a-ab3b-262868b5254b" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityAddressAddressLine1_a37b4f27-0ade-490e-8ba3-05e77fc8595e" xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.xsd#dei_EntityAddressAddressLine1"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_EntityAddressesLineItems_9b5f0885-dd8c-41ee-b8c7-74a7c0b6a39e" xlink:to="loc_dei_EntityAddressAddressLine1_a37b4f27-0ade-490e-8ba3-05e77fc8595e" xlink:type="arc" order="5"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityAddressCityOrTown_95a14f86-66a7-468d-9315-bdbcaab670f2" xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.xsd#dei_EntityAddressCityOrTown"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_EntityAddressesLineItems_9b5f0885-dd8c-41ee-b8c7-74a7c0b6a39e" xlink:to="loc_dei_EntityAddressCityOrTown_95a14f86-66a7-468d-9315-bdbcaab670f2" xlink:type="arc" order="6"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityAddressStateOrProvince_2a2c71d8-6dd5-4d99-a841-f3218d96de21" xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.xsd#dei_EntityAddressStateOrProvince"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_EntityAddressesLineItems_9b5f0885-dd8c-41ee-b8c7-74a7c0b6a39e" xlink:to="loc_dei_EntityAddressStateOrProvince_2a2c71d8-6dd5-4d99-a841-f3218d96de21" xlink:type="arc" order="7"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityAddressPostalZipCode_daafee6a-59ed-4df8-9b35-006a623466bb" xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.xsd#dei_EntityAddressPostalZipCode"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_EntityAddressesLineItems_9b5f0885-dd8c-41ee-b8c7-74a7c0b6a39e" xlink:to="loc_dei_EntityAddressPostalZipCode_daafee6a-59ed-4df8-9b35-006a623466bb" xlink:type="arc" order="8"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_CityAreaCode_65d9ae22-6792-4b1c-881e-fc40f4d2f5c1" xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.xsd#dei_CityAreaCode"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_EntityAddressesLineItems_9b5f0885-dd8c-41ee-b8c7-74a7c0b6a39e" xlink:to="loc_dei_CityAreaCode_65d9ae22-6792-4b1c-881e-fc40f4d2f5c1" xlink:type="arc" order="9"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_LocalPhoneNumber_7174babd-1d9e-475c-866b-acac6bc781e1" xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.xsd#dei_LocalPhoneNumber"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_EntityAddressesLineItems_9b5f0885-dd8c-41ee-b8c7-74a7c0b6a39e" xlink:to="loc_dei_LocalPhoneNumber_7174babd-1d9e-475c-866b-acac6bc781e1" xlink:type="arc" order="10"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_WrittenCommunications_2aa40ee5-69d4-49fb-a1c1-32999c3321bd" xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.xsd#dei_WrittenCommunications"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_EntityAddressesLineItems_9b5f0885-dd8c-41ee-b8c7-74a7c0b6a39e" xlink:to="loc_dei_WrittenCommunications_2aa40ee5-69d4-49fb-a1c1-32999c3321bd" xlink:type="arc" order="11"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_SolicitingMaterial_4860e48f-adaa-4a73-b449-ac8c750df87e" xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.xsd#dei_SolicitingMaterial"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_EntityAddressesLineItems_9b5f0885-dd8c-41ee-b8c7-74a7c0b6a39e" xlink:to="loc_dei_SolicitingMaterial_4860e48f-adaa-4a73-b449-ac8c750df87e" xlink:type="arc" order="12"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_PreCommencementTenderOffer_bde490a9-277f-4fcd-9d50-4a8686e3f6b6" xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.xsd#dei_PreCommencementTenderOffer"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_EntityAddressesLineItems_9b5f0885-dd8c-41ee-b8c7-74a7c0b6a39e" xlink:to="loc_dei_PreCommencementTenderOffer_bde490a9-277f-4fcd-9d50-4a8686e3f6b6" xlink:type="arc" order="13"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_PreCommencementIssuerTenderOffer_5a5712c9-3773-4cea-8ac6-3f002921c822" xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.xsd#dei_PreCommencementIssuerTenderOffer"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_EntityAddressesLineItems_9b5f0885-dd8c-41ee-b8c7-74a7c0b6a39e" xlink:to="loc_dei_PreCommencementIssuerTenderOffer_5a5712c9-3773-4cea-8ac6-3f002921c822" xlink:type="arc" order="14"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_Security12bTitle_6443288f-9d30-41ee-9ba6-6496a49d2ee4" xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.xsd#dei_Security12bTitle"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_EntityAddressesLineItems_9b5f0885-dd8c-41ee-b8c7-74a7c0b6a39e" xlink:to="loc_dei_Security12bTitle_6443288f-9d30-41ee-9ba6-6496a49d2ee4" xlink:type="arc" order="15"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_TradingSymbol_4b8387c4-9901-41ac-97b5-01812dbef6eb" xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.xsd#dei_TradingSymbol"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_EntityAddressesLineItems_9b5f0885-dd8c-41ee-b8c7-74a7c0b6a39e" xlink:to="loc_dei_TradingSymbol_4b8387c4-9901-41ac-97b5-01812dbef6eb" xlink:type="arc" order="16"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_SecurityExchangeName_f9e3b51d-e157-41ae-9e6e-1496be442855" xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.xsd#dei_SecurityExchangeName"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_EntityAddressesLineItems_9b5f0885-dd8c-41ee-b8c7-74a7c0b6a39e" xlink:to="loc_dei_SecurityExchangeName_f9e3b51d-e157-41ae-9e6e-1496be442855" xlink:type="arc" order="17"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityEmergingGrowthCompany_7b614e56-8893-42ff-8a04-d16f1af2900a" xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.xsd#dei_EntityEmergingGrowthCompany"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_EntityAddressesLineItems_9b5f0885-dd8c-41ee-b8c7-74a7c0b6a39e" xlink:to="loc_dei_EntityEmergingGrowthCompany_7b614e56-8893-42ff-8a04-d16f1af2900a" xlink:type="arc" order="18"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_AmendmentFlag_d77b2069-28ad-431d-8adf-2d05bae0d07f" xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.xsd#dei_AmendmentFlag"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_EntityAddressesLineItems_9b5f0885-dd8c-41ee-b8c7-74a7c0b6a39e" xlink:to="loc_dei_AmendmentFlag_d77b2069-28ad-431d-8adf-2d05bae0d07f" xlink:type="arc" order="19"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityCentralIndexKey_73fd5480-5d84-4c80-be62-104b5e9f5079" xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.xsd#dei_EntityCentralIndexKey"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_EntityAddressesLineItems_9b5f0885-dd8c-41ee-b8c7-74a7c0b6a39e" xlink:to="loc_dei_EntityCentralIndexKey_73fd5480-5d84-4c80-be62-104b5e9f5079" xlink:type="arc" order="20"/>
  </link:definitionLink>
</link:linkbase>
