165 entries under noun topic. ×

6
familiar(love, friend, sister)
6
sibling(sister, consanguinity, brother)
6
colleague
6
companion(associate, friend, mate, accompaniment)
6
friar
6
intimate(love, friend, sister)
6
clergyman
6
cousin(friend, kinship, consanguinity)
6
kinsman(consanguinity, fellow man)
5
abbot
5
acquaintance(friend, sister)
5
ally
5
brethren
5
confidant(love, associate, friend, sister)
4
aunt(kinship, consanguinity)
4
alter ego(expression, idiom, similarity, friend)
4
monastic
4
niece(kinship, consanguinity)
4
pilgrim
4
prior
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APASmart Define. (2015). brother thesaurus. Retrieved September 30, 2026, from https://smartdefine.org/brother/thesaurus/synonyms
ChicagoSmart Define. 2015. "brother thesaurus" https://smartdefine.org/brother/thesaurus/synonyms (accessed September 30, 2026).
HarvardSmart Define 2015, brother thesaurus, Smart Define, viewed 30 September, 2026, <https://smartdefine.org/brother/thesaurus/synonyms>.
MLASmart Define. "brother thesaurus" 9 September 2015. Web. 30 September 2026. <https://smartdefine.org/brother/thesaurus/synonyms>