crazy

adjective
cra·​zy | \ˈkrā-zē \
crazier; craziest

Definition of crazy 

(Entry 1 of 3)

1a : full of cracks or flaws : unsound … they were very crazy, wretched cabins …— Charles Dickens

b : crooked, askew

2a : not mentally sound : marked by thought or action that lacks reason : insane sense 1b yelling like a crazy man not used technically

b(1) : impractical a crazy plan

(2) : erratic crazy drivers

c : being out of the ordinary : unusual a taste for crazy hats

3a : distracted with desire or excitement a thrill-crazy mob The fans went crazy when their team won the championship.

b : absurdly fond : infatuated He's crazy about the girl.

c : passionately preoccupied : obsessed crazy about boats

like crazy

: to an extreme degree everyone dancing like crazy

crazy

noun
plural crazies

Definition of crazy (Entry 2 of 3)

: one who is or acts crazy especially : such a one associated with a radical or extremist political cause … are convinced that Wilson thinks they're rubes, bumpkins, or crazies, and wants to replace them with a legislature full of moderate clones of himself. — Fred Barnes

crazy

adverb

Definition of crazy (Entry 3 of 3)

: extremely, wildly crazy good

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Other Words from crazy

Adjective

crazily \ˈkrā-​zə-​lē \ adverb
craziness \ˈkrā-​zē-​nəs \ noun

Synonyms & Antonyms for crazy

Synonyms: Adjective

absurd, bizarre, fanciful, fantastic (also fantastical), foolish, insane, nonsensical, preposterous, unreal, wild

Synonyms: Noun

bug, crackbrain, fool, fruitcake, head case, loon, loony, lunatic, maniac, nut, nutcase, nutter [British slang], psycho, psychopath, sickie, sicko, wacko (also whacko)

Antonyms: Adjective

realistic, reasonable

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Examples of crazy in a Sentence

Adjective

He's been acting kind of crazy lately. There are a lot of crazy drivers on the streets. You are crazy to have paid so much for this car. You would be crazy not to accept their offer! What a crazy thing to do!

Noun

A bunch of crazies live there. one unsympathetic homeowner insisted that all homeless people are crazies

Adverb

I bought some crazy good stuff there.
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Recent Examples on the Web: Adjective

And as if all of that drama wasn't enough to make shippers go crazy, the pair spoke to ET about the romance rumors after the episode. Kayla Keegan, Good Housekeeping, "'Dancing With the Stars' Fans Nearly Lost It Over Alexis Ren and Alan Bersten Last Night," 23 Oct. 2018 Season three of Riverdale is underway and things have already gotten pretty crazy. Carolyn Twersky, Seventeen, "Everything We Know About the "Riverdale" Season 3 Flashback Episode," 19 Oct. 2018 Most order them plain, with a dipping sauce, but get crazy if the mood strikes: More inventive versions come smothered in cheese sauce or radish ponzu, sprinkled with truffle salt, or stuffed with peperoncini, plum, and shiso. Cnt Editors, Condé Nast Traveler, "Loud, Crowded, Grease-Stained, and Gloriously Drunk: Where the World Eats After Hours," 8 Oct. 2018 While lots of people were pumped about free food, things got really crazy after James tweeted about it. Alysha Tsuji, For The Win, "Lakers fans hoping to see LeBron waited at a Blaze Pizza for hours (he didn't show up)," 10 July 2018 Quotes about coffee and quotes about wine, those kind of drive me crazy. Rebecca Jennings, Vox, "How to make $6,000 a day writing Instagram quotes — sort of," 15 Nov. 2018 What’s crazier is that the current Alienware 13, with a 13.3-inch screen, actually weighs more than the new m15, with its 15.6-inch screen. Gordon Mah Ung, PCWorld, "Hands on with Alienware m15: The thinnest 15-inch Alienware laptop ever made," 4 Oct. 2018 This Summer's Best Sandals Got the Big Ugly Sneaker Treatment Prince Williams Designers are turning the humble pool slide into a luxury piece of footwear thanks to chunky soles, crazy prints, and even fur. Liz Raiss, GQ, "This Summer's Best Sandals Got the Big Ugly Sneaker Treatment," 4 July 2018 Meanwhile, Stephenson didn't just drive opponents crazy. Clifton Brown, Indianapolis Star, "How the Pacers cut Lance Stephenson and he signed to play with LeBron James," 2 July 2018

Recent Examples on the Web: Noun

Local governments have gone tax crazy in a place once known as one of the most fiscally conservative urban counties in America. Jason Williams, Cincinnati.com, "PX column: What's up with the barrage of tax hikes in Cincinnati and Hamilton County?," 28 June 2018 As a little girl, Jerisha Fabian typically had Barbies afflicted with some crazy made up medical condition. Karen Pilarski, Milwaukee Journal Sentinel, "Fueled by a passion for nursing that started with her Barbies, she fought through teen pregnancy on her way to getting degree," 26 June 2018 This is big news in a region where Chick-Fil-A has a cult following of fast food crazies known for throwing street parties when new locations open up, according to Nation's Restaurant News. Mark Price, charlotteobserver, "Chick-fil-A fans jubilant as chain uses Charlotte as one of two test cities for new item | Charlotte Observer," 25 May 2018 China and Europe aren't as crossover crazy as Americans. Phoebe Wall Howard, USA TODAY, "Ford Focus gets new look, more room and tech," 10 Apr. 2018 The FloTrack crazies recap a wild list of happenings at this year's NCAA Indoor Championships. Ken Goe, OregonLive.com, "Galen Rupp dominates; when a world record isn't a world record: Oregon track & field rundown," 11 Mar. 2018 Let’s face it, if the movers and shakers of the sport really fixed races as those crazies wearing tin-foil hats attest, NASCAR would have found a way to get Danica in victory lane on a regular basis. Mike Bianchi, OrlandoSentinel.com, "Danica Patrick, the Great American Flop, is proof NASCAR doesn't fix races," 16 Feb. 2018 In Arizona, there’s going to be crazies running for office. David Weigel, Washington Post, "Gary Johnson is back, and he’s never running for office again," 27 Oct. 2017 Wolf’s action joins a mix of long-brewing Harrisburg crazy. John Baer, Philly.com, "Gov. Wolf's scary fairy tale, but it's for real," 9 Oct. 2017

Recent Examples on the Web: Adverb

While everyone is going crazy over the deals at Amazon for Prime Day right now, Newegg is sneaking through the back door of the bargain basement with its FantasTech sale. Ian Paul, PCWorld, "Forget Amazon Prime Day, Newegg's got two great deals on FreeSync displays right now," 17 July 2018 The Fake News is going crazy making up false stories and using only unnamed sources (who don’t exist). Ryan Teague Beckwith, Time, "Read the 191 Arguments President Trump Has Made Against the Mueller Investigation," 7 June 2018 The Fake News is going crazy making up false stories and using only unnamed sources (who don’t exist). Ryan Teague Beckwith, Time, "Read the 191 Arguments President Trump Has Made Against the Mueller Investigation," 7 June 2018 The Fake News is going crazy making up false stories and using only unnamed sources (who don’t exist). Ryan Teague Beckwith, Time, "Read the 191 Arguments President Trump Has Made Against the Mueller Investigation," 7 June 2018 The Fake News is going crazy making up false stories and using only unnamed sources (who don’t exist). Ryan Teague Beckwith, Time, "Read the 191 Arguments President Trump Has Made Against the Mueller Investigation," 7 June 2018 The Fake News is going crazy making up false stories and using only unnamed sources (who don’t exist). Ryan Teague Beckwith, Time, "Read the 191 Arguments President Trump Has Made Against the Mueller Investigation," 7 June 2018 The Fake News is going crazy making up false stories and using only unnamed sources (who don’t exist). Ryan Teague Beckwith, Time, "Read the 191 Arguments President Trump Has Made Against the Mueller Investigation," 7 June 2018 The amount of money the TV industry, its advertisers and fans spend on the tournament are pretty crazy too. Peter Dawson, star-telegram, "Texas forward Mohamed Bamba declares for the NBA Draft | Fort Worth Star-Telegram," 20 Mar. 2018

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'crazy.' 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 crazy

Adjective

1566, in the meaning defined at sense 1a

Noun

1867, in the meaning defined above

Adverb

1887, in the meaning defined above

History and Etymology for crazy

Adjective

see craze entry 1

Noun

see craze entry 1

Adverb

see craze entry 1

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Statistics for crazy

Last Updated

6 Dec 2018

Look-up Popularity

Time Traveler for crazy

The first known use of crazy was in 1566

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More Definitions for crazy

crazy

noun

English Language Learners Definition of crazy

 (Entry 1 of 2)

: a person who is crazy

crazy

adverb

English Language Learners Definition of crazy (Entry 2 of 2)

: very or extremely

crazy

adjective
cra·​zy | \ˈkrā-zē \
crazier; craziest

Kids Definition of crazy

1 : having a severe mental illness : insane

2 : not sensible or logical a crazy idea

3 : very excited or pleased They're crazy about their new house.

4 : very annoyed This song makes me crazy.

Other Words from crazy

crazily \ˈkrā-​zə-​lē \ adverb
craziness \-​zē-​nəs \ noun

crazy

adjective
cra·​zy | \ˈkrā-zē \
crazier; craziest

Medical Definition of crazy 

: marked by a severely disordered state of mind not used technically

Other Words from crazy

crazily \-​zə-​lē \ adverb
craziness \-​zē-​nəs \ noun

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More from Merriam-Webster on crazy

Rhyming Dictionary: Words that rhyme with crazy

Thesaurus: All synonyms and antonyms for crazy

Spanish Central: Translation of crazy

Nglish: Translation of crazy for Spanish Speakers

Britannica English: Translation of crazy for Arabic Speakers

Comments on crazy

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