DEVIL, noun Devl. [Latin , to calumniate.]
1. In the Christian theology, an evil spirit or being; a fallen angel, expelled from heaven for rebellion against God; the chief of the apostate angels; the implacable enemy and tempter of the human race. In the New Testament, the word is frequently and erroneously used for demon.
2. A very wicked person, and in ludicrous language, an great evil. In profane language, it is an expletive expressing wonder, vexation, etc.