foe Get Printable Handwriting (foe) 1 syllables Hear It! Say It! Write It! Learn It! Spelling Test Definition noun. an enemy or opponent. Example Sentence The black-footed ferret is the foe of prairie dogs. More Example Sentences They were once friends but became foes. Synonyms enemy; rival; opponent Antonyms friend; ally; supporter Hear It! Say It! Write It! foe Switch to cursive Start Share with your friends: