31
rival(noun, adjective, opposition, opponent, enemy)
27
foe(noun, opposition, friend, rival, opponent)
22
opponent(noun, person, opposition, rival, enemy)
18
antagonist(noun, person, opposition, friend, rival)
16
adversary(noun, opposition, supporter, rival, opponent)
15
enemy(noun, friend, someone, opponent, foe)
8
detractor(noun, opposition, rival, opponent, enemy)
5
competitor(noun, opposition, associate, rival, opponent)
3
other side(noun, expression, opposition, associate, side)
3
opposition(noun, associate, rival, competitor, antagonist)
3
assailant(noun, side, villain, enemy, traitor)
3
disputant(noun, side, fan, villain, enemy)
3
disunite(noun, verb, action, act, discord)
3
separate(verb, action, act, discord, detachment)
2
emulator(noun, associate, side, villain, enemy)
2
bad person(noun, expression, side, villain, enemy)
2
belittler(noun, opponent, enemy, foe, antagonist)
2
hostile(noun, adjective, opponent, enemy, foe)
2
attacker(noun, opposition, rival, competitor, antagonist)
2
backbiter(noun, associate, side, villain, enemy)
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APASmart Define. (2016). ally thesaurus. Retrieved September 21, 2026, from https://smartdefine.org/ally/thesaurus/antonyms
ChicagoSmart Define. 2016. "ally thesaurus" https://smartdefine.org/ally/thesaurus/antonyms (accessed September 21, 2026).
HarvardSmart Define 2016, ally thesaurus, Smart Define, viewed 21 September, 2026, <https://smartdefine.org/ally/thesaurus/antonyms>.
MLASmart Define. "ally thesaurus" 24 March 2016. Web. 21 September 2026. <https://smartdefine.org/ally/thesaurus/antonyms>