An evil creature.

(with article) The chief devil; Satan.

A fictional image of a man, usually red or orange in skin color; with a set of horns on his head, a pointed goatee and a long tail and carrying a pitchfork; that represents evil and portrayed to children in an effort to discourage bad behavior.

To make like a devil; to invest with the character of a devil.

To annoy or bother.

To work as a ‘devil’; to work for a lawyer or writer without fee or recognition.