the devil Definition

the most powerful spirit of evil in Christianity, Judaism, and Islam who is often represented as the ruler of hell

—used to make a statement or question more forceful

something that is very difficult or that causes a lot of trouble

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 —usually used with the—often used as an interjection, an intensive, or a generalized term of abuse

an evil spirit : demon

an extremely wicked person : fiend

—used to say that it is better to deal with a difficult person or situation one knows than with a new person or situation that could be worse

—used to forcefully and rudely tell someone to go away and leave one alone

very much

with a lot of energy and speed

to gain wealth, success, power, etc., by doing something bad or dishonest

—used in speech to say that someone one has been talking about has unexpectedly appeared