Opponent Opponent synonyms adversary opponent and adversary antagonist opponent and antagonist rival opponent and rival opposer opponent and opposer enemy opponent and enemy foe opponent and foe opposition opponent and opposition competitor opponent and competitor contestant opponent and contestant challenger opponent and challenger Full list of synonyms (410) Opponent antonyms friend opponent and friend ally opponent and ally colleague opponent and colleague supporter opponent and supporter helper opponent and helper associate opponent and associate partner opponent and partner mate opponent and mate accomplice opponent and accomplice assistant opponent and assistant Full list of antonyms (40) Share this picture Share this image Share this picture Share this image