5
vilifier(noun, rival, opponent, competitor, foe)
5
villain(noun, rival, opponent, competitor, foe)
4
sister(noun, relation, member, relative, sibling)
3
nah brah(noun, expression, slang, informal, man)
2
female sibling(noun, expression, relation, member, relative)
2
kinswoman(noun, relation, member, relative, sister)
2
stepsister(noun, relation, member, relative, sister)
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APASmart Define. (2016). bro thesaurus. Retrieved September 23, 2026, from https://smartdefine.org/bro/thesaurus/antonyms
ChicagoSmart Define. 2016. "bro thesaurus" https://smartdefine.org/bro/thesaurus/antonyms (accessed September 23, 2026).
HarvardSmart Define 2016, bro thesaurus, Smart Define, viewed 23 September, 2026, <https://smartdefine.org/bro/thesaurus/antonyms>.
MLASmart Define. "bro thesaurus" 26 February 2016. Web. 23 September 2026. <https://smartdefine.org/bro/thesaurus/antonyms>