Meaning of “devil” - Learner’s Dictionary

devil

noun uk us /ˈdevəl/
the Devil
EVIL SPIRIT [ C ]

B2 an evil spirit

PERSON [ C ] informal

someone who behaves badly

lucky/poor, etc devil informal

used to describe a person who is lucky/unlucky, etc

(Definition of “devil” from the Cambridge Learner’s Dictionary © Cambridge University Press)