Foe

1. v. t. To treat as an enemy.
2. n. One who entertains personal enmity, hatred, grudge, or malice, against another; an enemy.
3. n. An enemy in war; a hostile army.
4. n. One who opposes on principle; an opponent; an adversary; an ill-wisher; as, a foe to religion.

The word meanings were obtained from OPTED(The Online Plain Text English Dictionary), which is based on “The Project Gutenberg Etext of Webster’s Unabridged Dictionary” which is in turn based on the 1913 US Webster’s Unabridged Dictionary (See Project Gutenburg), as a text file.