Nym Words > AutoantonymsIf you have read our antonyms page, you will know that two words with opposite meanings are called antonyms. So autoantonyms are words that are the opposite of themselves! Auto-antonym has Greek roots meaning a word that is the opposite of itself. They have variously been called contranyms, contronyms, antilogies, Janus words (after the two-faced Greek mythical figure, from which "January" also de
