50 entries under adversary topic. ×

34
nonsupporter(noun, enemy, antagonist)
25
opponent(noun, opposition, enemy, attacker, competitor)
16
enemy(noun, opposition, friend, opponent)
15
antagonist(noun, person, friend, opponent, enemy)
13
competitor(noun, opponent, enemy, attacker)
12
foe(noun, friend, opponent, enemy)
10
rival(noun, opponent, enemy, attacker, competitor)
9
opposition(noun, associate, opponent, enemy, attacker)
7
belittler(noun, opponent, enemy, foe)
7
contender(noun, opponent, enemy, attacker, competitor)
7
detractor(noun, attacker, competitor, defamer)
6
discourager(noun, attacker, competitor, detractor)
6
backbiter(noun, associate, attacker, competitor)
6
challenger(noun, opponent, enemy, foe)
6
contestant(noun, opponent, enemy, foe)
6
critic(noun, opponent, enemy, foe)
6
defamer(noun, associate, attacker, competitor)
6
slanderer(noun, associate, attacker, competitor)
6
traducer(noun, associate, attacker, competitor)
5
competition(noun, opponent, enemy, foe)
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APASmart Define. (2016). supporter thesaurus. Retrieved September 28, 2026, from https://smartdefine.org/supporter/thesaurus/antonyms
ChicagoSmart Define. 2016. "supporter thesaurus" https://smartdefine.org/supporter/thesaurus/antonyms (accessed September 28, 2026).
HarvardSmart Define 2016, supporter thesaurus, Smart Define, viewed 28 September, 2026, <https://smartdefine.org/supporter/thesaurus/antonyms>.
MLASmart Define. "supporter thesaurus" 29 March 2016. Web. 28 September 2026. <https://smartdefine.org/supporter/thesaurus/antonyms>