1
sister-in-law(noun, connection, relation, kin, relative)
1
sisterhood(noun, kinship)
1
sistern
1
stepparent(noun, connection, relation, kin, relative)
1
unc
1
uncs
1
uterine brother
1
winsome
1
woman(noun, human, girl, mother, gentlewoman)
0
cousin twice removed(expression, idiom)
0
next of kin(expression, idiom, consanguinity)
0
adoptee
0
analog(noun, relative, uncle, sib)
0
analogue(noun, relative, uncle, sib)
0
array
0
blood-relationship(noun, relative, uncle, sib)
0
blood relationship(noun, expression, relative, uncle, sib)
0
boy
0
brother's child
0
charge
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APASmart Define. (2015). niece thesaurus. Retrieved September 25, 2026, from https://smartdefine.org/niece/thesaurus/synonyms
ChicagoSmart Define. 2015. "niece thesaurus" https://smartdefine.org/niece/thesaurus/synonyms (accessed September 25, 2026).
HarvardSmart Define 2015, niece thesaurus, Smart Define, viewed 25 September, 2026, <https://smartdefine.org/niece/thesaurus/synonyms>.
MLASmart Define. "niece thesaurus" 14 April 2015. Web. 25 September 2026. <https://smartdefine.org/niece/thesaurus/synonyms>