8
resister(noun, support, person, resist, opponent)
7
bandit(noun, evil, awful, opposition, agent)
6
battler(noun, combatant, competitor, fighter, participant)
6
bully(noun, combatant, fighter)
6
duelist(noun, combatant, fighter)
6
match(noun, opposition, balance, equal, equivalent)
5
antagonistic
5
attacker(noun, opposition, agent, rebel, criminal)
5
brawler(noun, combatant, fighter)
5
bruiser(noun, combatant, fighter)
5
jouster(noun, combatant, fighter)
5
man-at-arms(noun, combatant, fighter)
5
mercenary(noun, combatant, fighter)
5
militant(noun, combatant, fighter)
5
pugilist(noun, combatant, fighter)
5
unfriendly(noun, adjective, enemy)
5
warrior(noun, combatant, competitor, fighter, participant)
4
adverse
4
anti(noun, adjective, match, opposition, rival)
4
contrary
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APASmart Define. (2016). adversary thesaurus. Retrieved September 24, 2026, from https://smartdefine.org/adversary/thesaurus/synonyms
ChicagoSmart Define. 2016. "adversary thesaurus" https://smartdefine.org/adversary/thesaurus/synonyms (accessed September 24, 2026).
HarvardSmart Define 2016, adversary thesaurus, Smart Define, viewed 24 September, 2026, <https://smartdefine.org/adversary/thesaurus/synonyms>.
MLASmart Define. "adversary thesaurus" 30 March 2016. Web. 24 September 2026. <https://smartdefine.org/adversary/thesaurus/synonyms>