crazy

adjective
cra·​zy | \ ˈkrā-zē How to pronounce crazy (audio) \
crazier; craziest

Definition of crazy

 (Entry 1 of 3)

1a : full of cracks or flaws : unsound … they were very crazy, wretched cabins …— Charles Dickens
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 How to pronounce crazily (audio) \ adverb
craziness \ ˈkrā-​zē-​nəs How to pronounce craziness (audio) \ noun

Synonyms & Antonyms for crazy

Synonyms: Adjective

Synonyms: Noun

Antonyms: Adjective

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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 At the heart of this is the destruction of the prison and probations service through crazy failed ideological and austerity cuts. Washington Post, "Vigil for London stabbing victims as politicians trade blame," 3 Dec. 2019 Follow the recipes provided or get crazy with your own saucy masterpieces, which can be bottled up and labeled. Chuck Blount, ExpressNews.com, "8 holiday gift ideas for Christmas for those who love to grill," 2 Dec. 2019 Which isn’t all that crazy given the lifespan of his species. Eric Spitznagel, Popular Mechanics, "An Alarmingly Deep Dive Into the Science of Baby Yoda," 2 Dec. 2019 Hailey Baldwin seems to be taking all these crazy pregnancy rumors in stride. Tamara Fuentes, Seventeen, "Hailey Baldwin Shuts Down Pregnancy Rumors," 2 Dec. 2019 The Kardashian-Jenner clan regularly throws the craziest and most creative parties, and Thanksgiving 2019 was no exception. Amy Mackelden, Harper's BAZAAR, "Kendall and Kylie Jenner's Thanksgiving Celebration Was Lit," 30 Nov. 2019 Some GUIs, like the Workbench that ran on the highly advanced Amiga OS, could squeeze into a small amount of RAM, but AmigaOS was designed by a tiny group of crazy geniuses. Jeremy Reimer, Ars Technica, "Half an operating system: The triumph and tragedy of OS/2," 29 Nov. 2019 For European stores, introducing the crazy U.S. holiday shopping tradition has been an act of self-harm. Andrea Felsted, Fortune, "Black Friday Boycotts in Europe Could Help Retailers’ Bottom Line," 28 Nov. 2019 Reflecting on times spent with Bob, one can't help but smile, shake your head, recollecting some crazy memory, and softly chuckle-CHEERS BOB! courant.com, "Robert D. Jones," 28 Nov. 2019 Recent Examples on the Web: Noun Please don’t engage with the crazies in the comments. Christina Oehler, Health.com, "Katie Sturino Claps Back at Trolls Who Shamed Both Her and Meghan Markle’s Bodies," 15 Nov. 2019 Players marveled at the crowd’s enthusiasm after the game, and Gruden kept his tradition of visiting with the crazies after a Raiders win. Jerry Mcdonald, The Mercury News, "Five keys for the Raiders against AFC West powerhouse Kansas City," 14 Sep. 2019 That’s the same thing that the Dayton, Ohio shooter did…You have fringe crazies on all sides. Bill Lambrecht, ExpressNews.com, "Castro says local donations have helped fund Trump’s anti-Latino ads," 7 Aug. 2019 That doesn’t mean one of the crazies doesn’t walk into a store all bombed up. Time Staff, Time, "Donald Trump's Interview With TIME on 2020: Read the Transcript," 20 June 2019 HomeCourt is one of the innovations the Sixers, who are sports-science crazy, have implemented in the past year. Marcus Hayes, Philly.com, "Sixers track Markelle Fultz's, Ben Simmons' shooting with sports science app | Marcus Hayes," 10 July 2018 Featuring a naked Braxton with just a sheet draped over her crotch, Daniela Federici’s photos drove the public crazy while the story was supposed to be nonfiction erotica, to bring out the sexuality from the soulful church girl. Michael Gonzales, Longreads, "It’s Like That: The Makings of a Hip-Hop Writer," 10 June 2019 Razing Columbine is nothing short of surrender to the hatred of the bullies and crazies of the world. Tearing down a shining light to create darkness and erase the memory of the innocent victims is insanity. Dp Opinion, The Denver Post, "Letters: Columbine High School’s future; A vote to diminish your vote; Artistic interpretation (6/12/19)," 12 June 2019 One party states who are trying to appeal the most radical crazies in their party. Fox News, "Reps. Meadows, Jordan call on Rosenstein to testify," 27 Sep. 2018 Recent Examples on the Web: Adverb Of course, Amy's fans are going crazy over the engagement announcement. Kayla Keegan, Good Housekeeping, "'Little People, Big World' Fans Have Feelings About Amy Roloff and Chris Marek's Engagement," 20 Sep. 2019 The twitter world is going crazy over this epic pitch by Oliver Drake of the Tampa Bay Rays. Rhett Allain, WIRED, "Let's Break Down the Physics of a Wickedly Curving Baseball," 31 July 2019 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

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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Time Traveler for crazy

Time Traveler

The first known use of crazy was in 1566

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Statistics for crazy

Last Updated

6 Dec 2019

Cite this Entry

“Crazy.” The Merriam-Webster.com Dictionary, Merriam-Webster Inc., https://www.merriam-webster.com/dictionary/crazily. Accessed 11 December 2019.

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More Definitions for crazy

crazy

adjective
How to pronounce crazy (audio)

English Language Learners Definition of crazy

 (Entry 1 of 3)

usually offensive : having or showing severe mental illness
: unable to think in a clear or sensible way
: wild and uncontrolled

crazy

noun

English Language Learners Definition of crazy (Entry 2 of 3)

chiefly US, informal : a person who is crazy

crazy

adverb

English Language Learners Definition of crazy (Entry 3 of 3)

US, informal : very or extremely

crazy

adjective
cra·​zy | \ ˈkrā-zē How to pronounce crazy (audio) \
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 How to pronounce crazy (audio) \
crazier; craziest

Medical Definition of crazy

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

Other Words from crazy

crazily \ -​zə-​lē How to pronounce crazily (audio) \ adverb
craziness \ -​zē-​nəs How to pronounce craziness (audio) \ noun

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More from Merriam-Webster on crazy

Thesaurus: All synonyms and antonyms for crazy

Rhyming Dictionary: Words that rhyme with crazy

Spanish Central: Translation of crazy

Nglish: Translation of crazy for Spanish Speakers

Britannica English: Translation of crazy for Arabic Speakers

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