\ˈfēnd \

Definition of fiend 

1a : devil sense 1

b : demon

c : a person of great wickedness or maliciousness

2 : a person extremely devoted to a pursuit or study : fanatic a golf fiend

3 : addict sense 1 a dope fiend

4 : wizard sense 3 a fiend at mathematics

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Synonyms & Antonyms for fiend


addict, aficionado (also afficionado), buff, bug, devotee, enthusiast, fan, fanatic, fancier, fool, freak, habitué (also habitue), head, hound, junkie (also junky), lover, maniac, maven (also mavin), nut, sucker



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Examples of fiend in a Sentence

His hands were trembling, actually trembling, as if he were some sort of coffee fiend or something. — T. Coraghessan Boyle, The Road to Wellville, 1993 Wodehouse may not have liked Dickens, but he certainly read him. He read like a fiend. — Christopher Hitchens, Times Literary Supplement, 7-13 Sept. 1990 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. — Irving Wallace, The Plot, 1967 a fiend in human form He's a real golf fiend.
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Recent Examples on the Web

In 2010, officials cancelled the race due to safety concerns, but rogue fromage fiends have continued to stage the event regardless. Brigit Katz, Smithsonian, "Holey Swiss: Man Breaks Record in British Downhill Cheese Race," 4 June 2018 Scouting reports rave about Smith’s running from sideline to sideline, playing inside or outside, making plays, and tackling like a fiend. Steve Rosenbloom,, "Roquan Smith looks like a good draft option for the Bears — unless he's the next Shea McClellin," 25 Apr. 2018 Does performance tennis wear translate for Palace’s cross-Atlantic cult following of streetwear fiends? Samuel Hine, GQ, "Rebel Streetwear Brand Palace Has Crashed Wimbledon," 3 July 2018 The official designer brands, the selfie lovers, rule-breakers, and social-media fiends. Melania Hidalgo, The Cut, "Everything You Need to Know About the 2018 Met Gala," 7 May 2018 Trump's most recent predecessors were exercise fiends, a trait Trump has not continued. Kevin Liptak, CNN, "Trump's weight-loss regimen: fish and half a bun," 30 May 2018 These are some rare, very good sneakers, and the sneaker fiends must have them. Christine Flammia, Esquire, "Point-Missing Sneakerheads Are Now Fighting Over Pharrell’s Peace-Themed Adidas," 23 Feb. 2018 Vampire Uprising is well worth a bite: The creature-feature crew will discover that recognizable tropes can feel fresh, and readers who aren’t horror fiends will find a beguiling entry into the thoughts of Dracula and his ilk living among us. Brian Truitt, USA TODAY, "Clever 'Vampire Uprising': These blood-suckers are demanding their civil rights!," 5 June 2018 Dante’s ‘Inferno’ reserves hell’s lowest circle for traitors, placing Judas Iscariot and other such fiends in a frozen lake. William Anthony Hay, WSJ, "‘The Tragedy of Benedict Arnold’ and ‘Turncoat’ Review: His Own Worst Enemy," 24 May 2018

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'fiend.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

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First Known Use of fiend

before the 12th century, in the meaning defined at sense 1a

History and Etymology for fiend

Middle English, from Old English fīend; akin to Old High German fīant enemy, Sanskrit pīyati he reviles, blames

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Statistics for fiend

Last Updated

11 Nov 2018

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Time Traveler for fiend

The first known use of fiend was before the 12th century

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More Definitions for fiend



English Language Learners Definition of fiend

: an evil spirit : a demon or devil

: a very evil or cruel person

: a person who is very enthusiastic about something


\ˈfēnd \

Kids Definition of fiend

2 : a very wicked or cruel person

3 : fanatic entry 2 a golf fiend

Other Words from fiend

fiendish \ ˈfēn-​dish \ adjective a fiendish trick
fiendishly adverb

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More from Merriam-Webster on fiend

Thesaurus: All synonyms and antonyms for fiend

Spanish Central: Translation of fiend

Nglish: Translation of fiend for Spanish Speakers

Comments on fiend

What made you want to look up fiend? Please tell us where you read or heard it (including the quote, if possible).


a private place of worship

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