|part of speech:
||one who opposes; antagonist; foe.
This boxer faces a tough opponent in the ring tonight.The scientist's opponent was able to patent his invention first.The Soviet Union proved to be a stronger opponent than the Nazis had anticipated.
- adversary, antagonist, foe
- adherent, advocate, ally, exponent, pro, proponent
- similar words:
- archenemy, competition, competitor, enemy, opposition, rival
||assailant, belligerent, villain