Synonyms|423Antonyms|173|Broader|16Narrower|14Related|392
3
litigant(noun, person, match, opposition, rival)
3
nemesis(noun, rival, enemy, bane, competitor)
3
objector(noun, insurgent, protester, campaigner)
3
opposed
3
oppugnant(noun, person, match, opposition, rival)
2
accuser(noun, evil, awful, enemy, foe)
2
antithetical
2
antonym
2
aspirant(noun, person, match, opposition, rival)
2
bad person(expression, opposition, agent, rebel, criminal)
2
bitter enemy(expression, idiom, trouble, curse, enemy)
2
confrontation
2
corrival(noun, person, conflict, competitor)
2
dissenter(noun, resistance, rebel, recreant, insurgent)
2
equal(noun, like, balance, double, equivalent)
2
guerrilla(noun, opposition, agent, rebel, criminal)
2
invader(noun, opposition, agent, rebel, criminal)
2
obstructer
2
obstructionist
2
participant(noun, competitor, contestant, contender)
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APASmart Define. (2016). opponent thesaurus. Retrieved September 21, 2026, from https://smartdefine.org/opponent/thesaurus/synonyms
ChicagoSmart Define. 2016. "opponent thesaurus" https://smartdefine.org/opponent/thesaurus/synonyms (accessed September 21, 2026).
HarvardSmart Define 2016, opponent thesaurus, Smart Define, viewed 21 September, 2026, <https://smartdefine.org/opponent/thesaurus/synonyms>.
MLASmart Define. "opponent thesaurus" 30 March 2016. Web. 21 September 2026. <https://smartdefine.org/opponent/thesaurus/synonyms>