- 1an evil spirit demons torturing the sinners in Hell
Definitions on the go
Look up any word in the dictionary offline, anytime, anywhere with the Oxford Advanced Learner’s Dictionary app.
- 2(informal) a person who does something very well or with a lot of energy He skis like a demon. He's a demon: he gets up early, he works out, he goes home early, he studies, he works out again…
- 3something that causes a person to worry and makes them unhappy the demons of jealousy
Check pronunciation: demon