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.

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