Definition of be a devil
- "I don't know if I should eat anything else." "Oh, go on, be a devil, order dessert!"
: the personal supreme spirit of evil often represented in Christian belief as the tempter of humankind, the leader of all apostate angels, and the ruler of hell
: an evil spirit : demon
: an extremely wicked person : fiend
: to season highly
: tease, annoy
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