Definition of a devil of
- The new regulations have created a devil of a problem for many small businesses.
- He had a devil of a time getting another job.
: 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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