| sister-in-law(noun, connection, relation, kin, relative) | |
| sisterhood(noun, kinship) | |
| sistern | |
| stepparent(noun, connection, relation, kin, relative) | |
| unc | |
| uncs | |
| uterine brother | |
| winsome | |
| woman(noun, human, girl, mother, gentlewoman) | |
| cousin twice removed(expression, idiom) | |
| next of kin(expression, idiom, consanguinity) | |
| adoptee | |
| analog(noun, relative, uncle, sib) | |
| analogue(noun, relative, uncle, sib) | |
| array | |
| blood-relationship(noun, relative, uncle, sib) | |
| blood relationship(noun, expression, relative, uncle, sib) | |
| boy | |
| brother's child | |
| charge |
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Niece on
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| APA | Smart Define. (2015). niece thesaurus. Retrieved September 25, 2026, from https://smartdefine.org/niece/thesaurus/synonyms |
| Chicago | Smart Define. 2015. "niece thesaurus" https://smartdefine.org/niece/thesaurus/synonyms (accessed September 25, 2026). |
| Harvard | Smart Define 2015, niece thesaurus, Smart Define, viewed 25 September, 2026, <https://smartdefine.org/niece/thesaurus/synonyms>. |
| MLA | Smart Define. "niece thesaurus" 14 April 2015. Web. 25 September 2026. <https://smartdefine.org/niece/thesaurus/synonyms> |