Synonyms of counteragent

1 Syllable
player, foe, con, match
2 Syllables
entrant, physic, bidder, anti, bidders, bandit, rival
3 Syllables
opponent, resisters, nullifier, assailant, remedy, negator, resister, remedies, oppugnant, dissentient, negators, medicant, counterstep, aspirant, disputant, opposer, challenger, enemy, contestant, nullifiers, litigant, physicked
4 Syllables
antagonist, neutralizer, medication, antitoxins, medicament, antitoxin, antivenin, neutralizers, restora-tive, competitor, counteractant, adversary, antidote, candidate, opposition
5 Syllables
oppositionist, countermeasure