Synonyms of opponent in English:

opponent


See US English definition of opponent

See UK English definition of opponent

See Spanish definition of oponente

noun

1‘he beat his opponent by a landslide margin’

SYNONYMS
rival, adversary, opposer, the opposition, fellow contestant, competitor, fellow competitor, other candidate, other competitor, other contestant, other player, enemy, foe, antagonist, combatant, contender, challenger, critic, dissenter, disputant, objector
ANTONYMS

ally, partner, colleague

2‘an opponent of the economic reforms’

SYNONYMS
opposer, objector, dissident, dissenter, rejectionist
ANTONYMS

supporter