The shameless effrontery of the fiend, at the café, pretending to forget all he had done to her, begging to take up with her again, as if nothing had happened between them a dozen years ago.

Fiend may refer to: An evil spirit or demon in religion or mythology A person addicted to either a pernicious act, a cause, a hobby, or sport

someone who likes something very much or is very interested in something: a health / sex / chocolate fiend

Informal., a person who is excessively interested in some game, sport, etc.; fan; buff. a bridge fiend. a person who is highly skilled or gifted in something. a fiend at languages.

Oct 3, 2025 · (informal) An addict or fanatic. quotations dope fiend He's been a jazz fiend since his teenage years.

If you describe someone as a fiend, you mean that they are extremely wicked or cruel.

Definition of fiend noun in Oxford Advanced Learner's Dictionary. Meaning, pronunciation, picture, example sentences, grammar, usage notes, synonyms and more.

a. a person who is intensely interested in or fond of something: a fresh-air fiend; he is a fiend for cards. b. an addict: a drug fiend.

Informal Terms a person who is extremely addicted to some pernicious habit: an opium fiend. Informal Terms a person who is excessively interested in some game, sport, etc.; fan; buff: a …

fiend definition: person who is extremely wicked or cruel. Check meanings, examples, usage tips, pronunciation, domains, and related words. Discover expressions like "little fiend", "you little …