55
adversary(noun, support, trouble, person, evil)
53
competitor(noun, trouble, person, like, conflict)
52
antagonist(noun, support, trouble, person, evil)
52
enemy(noun, trouble, person, evil, awful)
41
foe(noun, trouble, person, superior, opposition)
39
contestant(noun, person, conflict, opposition, rival)
36
rival(noun, trouble, person, like, conflict)
32
contender(noun, person, conflict, opposition, agent)
21
opposition(noun, support, person, resist, agent)
20
combatant(noun, person, opposition, combatant, enemy)
16
assailant(noun, person, opposition, agent, rebel)
16
opposer(noun, support, person, resist, rival)
15
opposite(noun, adjective, enemy)
13
entrant(noun, person, match, opposition, rival)
12
competition(noun, person, conflict, rival, favorite)
12
gladiator(noun, combatant, fighter)
10
player(noun, person, match, opposition, rival)
9
disputant(noun, person, opposition, agent, rebel)
9
duelist(noun, combatant, fighter)
9
opposing
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APASmart Define. (2016). opponent thesaurus. Retrieved September 20, 2026, from https://smartdefine.org/opponent/thesaurus/synonyms
ChicagoSmart Define. 2016. "opponent thesaurus" https://smartdefine.org/opponent/thesaurus/synonyms (accessed September 20, 2026).
HarvardSmart Define 2016, opponent thesaurus, Smart Define, viewed 20 September, 2026, <https://smartdefine.org/opponent/thesaurus/synonyms>.
MLASmart Define. "opponent thesaurus" 30 March 2016. Web. 20 September 2026. <https://smartdefine.org/opponent/thesaurus/synonyms>