| cousin | |
| father | |
| father-in-law(noun, connection, relation, kin, relative) | |
| folk | |
| folks | |
| grandparents(noun, connection, relation, kin, relative) | |
| great-grandparents(noun, connection, relation, kin, relative) | |
| kinsman(noun, connection, relative, father, mother) | |
| kinsperson(noun, connection, relation, kin, relative) | |
| kinswoman(noun, connection, relative, father, mother) | |
| mother-in-law(noun, connection, relation, kin, relative) | |
| analog(noun, relative, uncle, sib) | |
| analogue(noun, relative, uncle, sib) | |
| blood-relationship(noun, relative, uncle, sib) | |
| blood relationship(noun, expression, relative, uncle, sib) | |
| consanguinity(noun, relative, uncle, sib) | |
| daughter-in-law | |
| family member | |
| family tie(noun, expression, relative, uncle, sib) | |
| filiation(noun, relative, uncle, sib) |
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Sister-in-law on
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| APA | Smart Define. (2013). sister-in-law thesaurus. Retrieved October 1, 2026, from https://smartdefine.org/sister-in-law/thesaurus/synonyms |
| Chicago | Smart Define. 2013. "sister-in-law thesaurus" https://smartdefine.org/sister-in-law/thesaurus/synonyms (accessed October 1, 2026). |
| Harvard | Smart Define 2013, sister-in-law thesaurus, Smart Define, viewed 1 October, 2026, <https://smartdefine.org/sister-in-law/thesaurus/synonyms>. |
| MLA | Smart Define. "sister-in-law thesaurus" 16 June 2013. Web. 1 October 2026. <https://smartdefine.org/sister-in-law/thesaurus/synonyms> |