Synonyms|48Antonyms|0|Broader|2Narrower|1Related|1
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grandparent(noun, relative, father, mother, folk)
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kin
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kindredship(noun, relative, uncle, sib)
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kith and kin
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next of kin
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son-in-law
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stepchild
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stepmother
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APASmart Define. (2013). sister-in-law thesaurus. Retrieved October 1, 2026, from https://smartdefine.org/sister-in-law/thesaurus/synonyms
ChicagoSmart Define. 2013. "sister-in-law thesaurus" https://smartdefine.org/sister-in-law/thesaurus/synonyms (accessed October 1, 2026).
HarvardSmart Define 2013, sister-in-law thesaurus, Smart Define, viewed 1 October, 2026, <https://smartdefine.org/sister-in-law/thesaurus/synonyms>.
MLASmart Define. "sister-in-law thesaurus" 16 June 2013. Web. 1 October 2026. <https://smartdefine.org/sister-in-law/thesaurus/synonyms>