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''crazy'' ▫ᴱᴺ｜Definition｜1st｜20260723122144-00-⌔

crazy - Wiktionary, the free dictionary

English

Adjective

crazy (comparative crazier, superlative craziest)

  • Of unsound mind; insane; demented. [from 17th c.]
    • ✤ Synonyms: see Thesaurus: insane
    • ✤ His ideas were both frightening and crazy.
    • ✤ Those words appearing to be merely the ravings of superannuation, they were not regarded; but when no other traces of Mary could be found, old Andrew went up to consult this crazy dame once more, but he was not able to bring any such thing to her recollection.1
    • ✤ Of all the queer collections of humans outside of a crazy asylum, it seemed to me this sanitarium was the cup winner. […] When you’re well enough off so’s you don’t have to fret about anything but your heft or your diseases you begin to get queer, I suppose.2
    • ✤ Now think of all the years you tried to
      Find someone to satisfy you
      I might be as crazy as you say
      If I’m crazy then it’s true
      That it’s all because of you
      And you wouldn’t want me any other way      3
    • ✤ Grab-a-cop-gun kinda crazy/She’s poison but tasty/Yeah, people say “Run, don’t walk, away”4
  • Out of control.
    • ✤ When she gets on the motorcycle she goes crazy.
  • Very excited or enthusiastic.
    • ✤ He went crazy when he won.
    • ✤ The girls were crazy to be introduced to him.5
    • ✤ The craziest, most extraordinary banger race on the planet: 10,000+ miles from Prague to Siberia.6
  • In love; experiencing romantic feelings.
    • ✤ Why is she so crazy about him?
  • (informal) Very unexpected; wildly surprising.
    • ✤ Near-synonym: amazing
    • ✤ * crazy work*
    • ✤ The game had a crazy ending.
    • ✤ […] at all, just a vast space of desert out in the saltlands of Nevada. It’s serious dressing up, the maddest entertainment, craziest art, and at the end there’s the burning of a huge effigy, stuffed with pyrotechnics 287.7
    • ✤ We’d like to think such a kooky idea has no shot at getting on the ballot, like the previous attempts by the two main Calexiters — Marcus Ruiz Evans and Louis J. Marinelli — to get some sort of secession proposal on the ballot. But crazier things have happened.8
    • ✤ “It’s been a long process and I’ve come close to giving up along the way, but this is undoubtedly the craziest archaeological excavation I’ve yet been part of,” Bloch said in the news release.9
  • (obsolete) Flawed or damaged; unsound, liable to break apart; ramshackle. [16th–19th c.]
    • ✤ Buchanan shewed her into a room adjoining to Mr. Steele’s dressing-room, and separated from it by a very crazy partition.10
    • ✤ Piles of mean and crazy houses.11
    • ✤ They […] got a crazy boat to carry them to the island.12
    • ✤ Casement windows opened, crazy doors were unbarred, and people came forth shivering—chilled, as yet, by the new sweet air.13
  • (obsolete) Sickly, frail; diseased. [16th–19th c.]
    • ✤ Over moist and crazy brains.14
    • ✤ One of great riches, but a crazy constitution.15
    • ✤ My poor aunt has often told me […] how long she herself was apprehensive lest my crazy frame, which is now of common shape, should remain for ever crooked and deformed.16

Adverb

crazy (comparative more crazy, superlative most crazy)

  • (slang) Very, extremely.
    • ✤ That trick was crazy good.
    • ✤ I’m crazy tired after today’s shift at work.
    • ✤ I’m flat out. It’s crazy stupid here, Kim.17

Noun

crazy (countable and uncountable, plural crazies)

  • (slang, countable) An insane or eccentric person; a crackpot.
    • ✤ Synonyms: see Thesaurus: mad person
    • ✤ Now drink up, you knuckleheads! Have a blast! It’s our night, you crazies! Chloe, where are you?18
  • (slang, uncountable) Eccentric behaviour; lunacy; craziness.
    • ✤ Then again, her whole evening was full of crazy, and she didn’t know what else to do.19

Etymology

From craze (“to crush”) +‎ -y, akin to being “crazed up”. Compare cracked up (“suffered a mental breakdown; be insane”), crackpot.

Compare typologically Russian чо́кнутый (čóknutyj).

Pronunciation

  • enPR: krāzē, (Received Pronunciation, General American) IPA: /ˈkɹeɪ.zi/
  • (Australian) IPA: /ˈkɹæɪ.zi/
  • Audio (US): 🔊
  • Rhymes: -eɪzi
  • Hyphenation: cra‧zy

Printed 2026-07-23.

(echo:: @ ⌗)

Footnotes

  1. 1828, James Hogg, Mary Burnet: ↩

  2. 1913, Joseph C[rosby] Lincoln, chapter V, in Mr. Pratt’s Patients, New York, N.Y.; London: D[aniel] Appleton and Company, →OCLC: ↩

  3. 1980 March 7, Billy Joel, “You May Be Right”, in Glass Houses ‎: ↩

  4. 2018, Ava Max, Madison Love, Tix, Cook Classics, Cirkut, “Sweet but Psycho”, in Heaven & Hell ‎, performed by Ava Max: ↩

  5. 1864, R. B. Kimball, Was He Successful?: ↩

  6. 2020 January 8, Nikhil Krishnan, “Six of the world’s most thrilling road trips for 2020”, in The Daily Telegraph ‎: ↩

  7. 2010 May 27, Judy Astley, Blowing It: a brilliantly funny, mad-cap novel guaranteed to make you laugh from bestselling author Judy Astley, Random House, →ISBN, page 287: ↩

  8. 2018 August 7, “Save us from another kooky California breakup plan”, in The Los Angeles Times: ↩

  9. 2025 May 2, Amarachi Orie, “Archaeologists discover true identity of Costa Rica shipwrecks long thought to be pirate ships”, in CNN ‎, archived from the original on 2 August 2025: ↩

  10. 1789, John Moore, Zeluco, Valancourt, published 2008, page 203: ↩

  11. 1849–1861, Thomas Babington Macaulay, chapter III, in The History of England from the Accession of James the Second, volume, London: Longman, Brown, Green, and Longmans, →OCLC: ↩

  12. 1816, Francis Jeffrey, “Memoirs of Madame de Larochejaquelein”, in The Edinburgh Review February 1816: ↩

  13. 1859, Charles Dickens, A Tale of Two Cities: ↩

  14. 1663, Samuel Butler, Hudibras: ↩

  15. 1710 March 28 (Gregorian calendar), [Joseph Addison; Richard Steele et al.], “FRIDAY, March 17, 1709–1710”, in The Spectator, number 15; republished in Alexander Chalmers, editor, The Spectator; a New Edition, […], volume I, New York, N.Y.: D[aniel] Appleton & Company, 1853, →OCLC: ↩

  16. c. 1793, Edward Gibbon, Memoirs, Penguin, published 1990, page 61: ↩

  17. 2002, Gina Riley, Jane Turner, That’s Unusual: Scripts from Kath and Kim, Series 2, page 67: ↩

  18. 2011, “Pilot”, in Allen Gregory, season 1, episode 1: ↩

  19. 2013, Douglas Schwartz, Checkered Scissors, page 211: ↩

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