| sib(noun, sister, consanguinity, brother) | |
| brother(noun, sister, consanguinity, brother) | |
| sister(noun, sister, consanguinity, brother) | |
| relation(noun, connection, link, association, stock) | |
| relative(noun, connection, link, association, relation) | |
| kin(noun, connection, link, association, relation) | |
| family | |
| kinsman(noun, relative, consanguinity) | |
| next of kin(noun, expression, idiom, relation, kin) | |
| kinfolk(noun, kin, sister, consanguinity, brother) | |
| kith and kin(noun, expression, idiom, relation, family) | |
| kinsperson(noun, connection, link, association, house) | |
| people | |
| relations | |
| relatives | |
| cognate | |
| aunt | |
| blood relative(expression, idiom) | |
| blood relation(expression, idiom) | |
| connection(noun, link, association, house, stock) |
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| APA | Smart Define. (2015). sibling thesaurus. Retrieved September 20, 2026, from https://smartdefine.org/sibling/thesaurus/synonyms |
| Chicago | Smart Define. 2015. "sibling thesaurus" https://smartdefine.org/sibling/thesaurus/synonyms (accessed September 20, 2026). |
| Harvard | Smart Define 2015, sibling thesaurus, Smart Define, viewed 20 September, 2026, <https://smartdefine.org/sibling/thesaurus/synonyms>. |
| MLA | Smart Define. "sibling thesaurus" 13 April 2015. Web. 20 September 2026. <https://smartdefine.org/sibling/thesaurus/synonyms> |