17 enemy synonyms include foe, adversary, opponent, rival, nemesis, antagonist, combatant, challenger, competitor, and opposer. Enemy is a noun, and its antonyms are friend and ally. Here are some additional synonyms for "enemy" with example sentences.
17 other ways to say enemy.
An enemy can become a friend.
He confronted his enemy in battle.
Strong walls were built to repulse enemy attacks.
They plotted against their common enemy.