Synonyms|87Antonyms|38|Broader|18Narrower|60Related|78

20 entries under rival topic. ×

15
adversary(noun, opponent, foe, hostile, antagonist)
15
antagonist(noun, opponent, adversary, foe, hostile)
14
foe(noun, opponent, adversary, hostile, antagonist)
13
opponent(noun, adversary, foe, hostile, antagonist)
11
competitor(noun, opponent, adversary, foe, person)
10
bad person(noun, expression, hostile, opponent)
9
bandit(noun, opponent, adversary, foe, person)
9
contender(noun, opponent, adversary, foe, person)
8
detractor(noun, hostile, opponent, competitor)
7
archenemy(noun, opponent, person, competitor)
6
backbiter(noun, opponent, competitor, adversary)
6
betrayer(noun, opponent, competitor, adversary)
6
traitor(noun, opponent, competitor, adversary)
5
fifth column(noun, expression, opponent, competitor)
5
opposition(noun, opponent, person, competitor)
5
other side(noun, expression, opponent, competitor)
4
oppugnant(noun, opponent, competitor, adversary)
4
rebel(noun, opponent, competitor, adversary)
4
revolutionary(noun, opponent, competitor, adversary)
4
villain(noun, opponent, competitor, adversary)
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APASmart Define. (2016). sidekick thesaurus. Retrieved September 24, 2026, from https://smartdefine.org/sidekick/thesaurus/antonyms
ChicagoSmart Define. 2016. "sidekick thesaurus" https://smartdefine.org/sidekick/thesaurus/antonyms (accessed September 24, 2026).
HarvardSmart Define 2016, sidekick thesaurus, Smart Define, viewed 24 September, 2026, <https://smartdefine.org/sidekick/thesaurus/antonyms>.
MLASmart Define. "sidekick thesaurus" 29 March 2016. Web. 24 September 2026. <https://smartdefine.org/sidekick/thesaurus/antonyms>