Synonyms of 'adversary'

adversative, adverse, alien, antagonist, antagonistic, anti, antipathetic, antithetic, archenemy, assailant, combatant, competitive, competitor, con, contradictory, contrary, counter, Cross, devil, dissentient, enemy, foe, foeman, fractious, hostile, inimical, negative, obstinate, opponent, opposite, oppugnant, perverse, public enemy, recalcitrant, refractory, repugnant, rival, uncooperative, unfavorable, unfriendly, unpropitious