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
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 How to pronounce crazy (audio) \ adverb
craziness \ ˈkrā-​zē-​nəs How to pronounce crazy (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 Investors panicked and sold like crazy, dropping the stock price to 13 cents — far below that $1 bank threshold. Abraham Riesman, Vulture, "Stan Lee and the Dot-Com Disaster," 12 Feb. 2021 What’s crazy about this matchup is that the last team the Browns faced in the playoffs was…. Andy Nesbitt, USA TODAY, "It's impossible to not root for the Browns in the playoffs," 6 Jan. 2021 But don’t go crazy about a playoff stretch that would be a good accomplishment. Dave Hyde, sun-sentinel.com, "Hyde: Sunday’s increased importance for Tua (or Fitzpatrick) as Dolphins shoot for playoffs | Commentary," 5 Dec. 2020 But in 2013, Beyoncé made people fall crazy in love with her on-stage display, where Kelly Rowland and Michelle Williams literally shot out for a surprise Destiny's Child reunion. Billboard Staff, Billboard, "Which Is Your Favorite Super Bowl Halftime Show From the Past 10 Years? Vote!," 8 Feb. 2021 Inflation expectations flatlined while Bitcoin went crazy. Shawn Tully, Fortune, "Confessions of a Bitcoin believer: One former miner’s journey from zealot to skeptic," 7 Feb. 2021 The crazy finish was sparked by a seven-point burst by Quinerly. Joseph Goodman | Jgoodman@al.com, al, "Jahvon Quinerly a silver lining for Alabama in loss to Missouri," 6 Feb. 2021 There may still be other reasons that cats go crazy for iridoids. New York Times, "Your Cat Isn’t Just Getting High Off Catnip," 20 Jan. 2021 No need to go crazy with it though; a little goes a long way. Kristy Alpert, Better Homes & Gardens, "8 Tips for Better Boxed Pancakes," 30 Dec. 2020 Recent Examples on the Web: Noun The campus crazies demanding safe spaces seem to have polluted the entire culture with fear and anxiety. Brian T. Allen, National Review, "COVID Cash for the Arts: Where to Start," 2 May 2020 Doyle’s message to stir-crazy, nature-seeking folks: Feel free to hike and enjoy the great outdoors. Ron Kroichick, SFChronicle.com, "Coronavirus challenge: Warm weather lures Bay Area residents to region’s parks," 25 Apr. 2020 There are four types of winter drivers: plodders, joggers, speeders and crazies. cleveland, "Big Volkswagen Atlas shrugs off the snow," 8 Feb. 2020 There are a lot of crazies in the city and a lot of bad guys. Carl Nolte, SFChronicle.com, "Wanna get to really know San Francisco? Ride Muni," 11 Jan. 2020 The Crimson Tide’s student section under first-year coach Nate Oats doesn’t have a catchy new nickname yet, but the hardhat wearing Crimson crazies showed up in force for the home team’s gritty 77-74 victory against Kansas State. Joseph Goodman | Jgoodman@al.com, al, "Bring the noise: Alabama’s students beginning to rival Auburn’s ‘Jungle’," 28 Jan. 2020 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 Recent Examples on the Web: Adverb Then the internet started going crazy over whipping instant coffee and shortcut recipes. Katlyn Moncada, Better Homes & Gardens, "Use This Versatile 2-Ingredient Dough to Make Pizza, Donuts, and More," 19 May 2020 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

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

27 Feb 2021

Cite this Entry

“Crazy.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/crazy. Accessed 8 Mar. 2021.

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More Definitions for crazy

crazy

adjective

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

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More from Merriam-Webster on crazy

Thesaurus: All synonyms and antonyms for crazy

Nglish: Translation of crazy for Spanish Speakers

Britannica English: Translation of crazy for Arabic Speakers

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