Foe

1. (n.) One who entertains personal enmity, hatred, grudge, or malice, against another; an enemy.

2. (n.) An enemy in war; a hostile army.

3. (n.) One who opposes on principle; an opponent; an adversary; an ill-wisher; as, a foe to religion.

4. (v. t.) To treat as an enemy.

Thesaurus Entries

adversary, antagonist, archenemy, assailant, bitter enemy, combatant, devil, enemy, foeman, muddlement, open enemy, opponent, opposing party, opposite camp, public enemy, sworn enemy, the loyal opposition, the opposition