Synonyms of 'demon'
1 evil spirit
a woman possessed by evil demons
He is a demon for discipline.
He was a dictator and a demon.
related phobia demonophobia
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If you describe someone such as a sports player as an ace, you mean that they are very good at what they do.
former motor-racing ace Stirling Moss
If you say that someone is an addict, you mean that they like a particular activity very much and spend as much time doing it as they can.
She's a TV addict and watches as much as she can.
Thesaurus for demon from the Collins English Thesaurus
A demon is an evil spirit.