194 entries under noun topic. ×

4
dissentient(adjective, person, match, opposition)
4
fighter(person, combatant)
4
other side(expression, idiom, opposition, agent)
4
rebel(person, opposition, agent, criminal)
4
warrior(combatant, fighter)
3
attacker(opposition, agent, rebel, criminal)
3
challenger(person, match, opposition, rival)
3
contrarian(person, opposition, competitor)
3
counteragent(person, match, opposition, rival)
3
litigant(person, match, opposition, rival)
3
nemesis(rival, enemy, bane, competitor)
3
objector(insurgent, protester, campaigner)
3
oppugnant(person, match, opposition, rival)
2
accuser(evil, awful, enemy, foe)
2
antonym
2
aspirant(person, match, opposition, rival)
2
confrontation
2
corrival(person, conflict, competitor)
2
dissenter(resistance, rebel, recreant, insurgent)
2
equal(like, balance, double, equivalent)
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APASmart Define. (2016). opponent thesaurus. Retrieved September 28, 2026, from https://smartdefine.org/opponent/thesaurus/synonyms
ChicagoSmart Define. 2016. "opponent thesaurus" https://smartdefine.org/opponent/thesaurus/synonyms (accessed September 28, 2026).
HarvardSmart Define 2016, opponent thesaurus, Smart Define, viewed 28 September, 2026, <https://smartdefine.org/opponent/thesaurus/synonyms>.
MLASmart Define. "opponent thesaurus" 30 March 2016. Web. 28 September 2026. <https://smartdefine.org/opponent/thesaurus/synonyms>