| sibling(noun, sister, consanguinity, brother) | |
| cognate(noun, adjective, connection, relation, kin) | |
| blood relative(noun, expression, idiom) | |
| kinsman(noun, connection, relative, father, mother) | |
| relative(noun, connection, relation, kin, member) | |
| blood relation(noun, expression, idiom) | |
| kin | |
| kinfolk | |
| kinswoman(noun, connection, relative, father, mother) | |
| relation(noun, consanguinity) | |
| sister(noun, consanguinity) | |
| akin | |
| allied | |
| connection(noun, consanguinity) | |
| cousin(noun, consanguinity) | |
| folks | |
| kindred | |
| kith and kin(expression, idiom, consanguinity) | |
| next of kin(expression, idiom, consanguinity) | |
| agnate(noun, connection, relation, kin, relative) |
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| APA | Smart Define. (2015). sib thesaurus. Retrieved September 20, 2026, from https://smartdefine.org/sib/thesaurus/synonyms |
| Chicago | Smart Define. 2015. "sib thesaurus" https://smartdefine.org/sib/thesaurus/synonyms (accessed September 20, 2026). |
| Harvard | Smart Define 2015, sib thesaurus, Smart Define, viewed 20 September, 2026, <https://smartdefine.org/sib/thesaurus/synonyms>. |
| MLA | Smart Define. "sib thesaurus" 14 April 2015. Web. 20 September 2026. <https://smartdefine.org/sib/thesaurus/synonyms> |