Synonyms|51Antonyms|0|Broader|2Narrower|1Related|2
3
stepbrother(noun, connection, relation, kin, relative)
1
kinsman(noun, connection, relative, father, mother)
1
cognate(noun, connection, relation, kin, relative)
1
folk
1
folks
1
grandparents(noun, connection, relation, kin, relative)
1
great-grandparents(noun, connection, relation, kin, relative)
1
in-law(noun, relative, uncle, sib)
1
in-laws(noun, connection, relation, kin, relative)
1
kinsperson(noun, connection, relation, kin, relative)
1
kinswoman(noun, connection, relative, father, mother)
1
mother-in-law(noun, connection, relation, kin, relative)
1
niece(noun, connection, relation, kin, relative)
1
relation
1
relative(noun, connection, relation, kin, member)
1
sib(noun, connection, relation, kin, relative)
1
sibling
1
sister-in-law(noun, connection, relation, kin, relative)
1
stepparent(noun, connection, relation, kin, relative)
1
stepsister(noun, connection, relation, kin, relative)
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APASmart Define. (2013). brother-in-law thesaurus. Retrieved September 24, 2026, from https://smartdefine.org/brother-in-law/thesaurus/synonyms
ChicagoSmart Define. 2013. "brother-in-law thesaurus" https://smartdefine.org/brother-in-law/thesaurus/synonyms (accessed September 24, 2026).
HarvardSmart Define 2013, brother-in-law thesaurus, Smart Define, viewed 24 September, 2026, <https://smartdefine.org/brother-in-law/thesaurus/synonyms>.
MLASmart Define. "brother-in-law thesaurus" 16 June 2013. Web. 24 September 2026. <https://smartdefine.org/brother-in-law/thesaurus/synonyms>