Synonyms of oppositionist

1 Syllable

player, foe, con, match

2 Syllables

entrant, bidder, anti, bandit, rival

3 Syllables

resisters, assailant, resister, oppugnant, dissentient, aspirant, disputant, challenger, enemy, opposer, contestant, litigant

4 Syllables

antagonist, competitor, counteragent, adversary, candidate, opposition