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From craze +‎ -y.



crazy (comparative crazier, superlative craziest)

  1. Of unsound mind; insane; demented. [from 17th c.]
    His ideas were both frightening and crazy.
    • 1828, James Hogg, Mary Burnet:
      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.
    • 1913, Joseph C. Lincoln, chapter 5, in Mr. Pratt's Patients:
      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.
    • 2018, Ava Max, Madison Love, Tix, Cook Classics, Cirkut (lyrics and music), “Sweet but Psycho”, in Heaven & Hell[1], performed by Ava Max:
      Grab-a-cop-gun kinda crazy / She's poison but tasty / Yeah, people say "Run, don't walk, away"
  2. Out of control.
    When she gets on the motorcycle she goes crazy.
  3. Very excited or enthusiastic.
    He went crazy when he won.
    • 1864, R. B. Kimball, Was He Successful?:
      The girls were crazy to be introduced to him.
  4. In love; experiencing romantic feelings.
    Why is she so crazy about him?
  5. (informal) Very unexpected; wildly surprising.
    The game had a crazy ending.
  6. (obsolete) Flawed or damaged; unsound, liable to break apart; ramshackle. [16th–19th c.]
  7. (obsolete) Sickly, frail; diseased. [16th–19th c.]


Derived terms[edit]



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crazy (comparative more crazy, superlative most crazy)

  1. (slang) Very, extremely.
    That trick was crazy good.
    • 2002, Gina Riley, Jane Turner, That's Unusual: Scripts from Kath and Kim, Series 2, page 67:
      I'm flat out. It's crazy stupid here, Kim.



crazy (countable and uncountable, plural crazies)

  1. (slang, countable) An insane or eccentric person; a crackpot.
    • 2011 Allen Gregory, "Pilot" (season 1, episode 1):
      Allen Gregory DeLongpre: Now drink up, you knuckleheads! Have a blast! It's our night, you crazies! Chloe, where are you?
  2. (slang, uncountable) Eccentric behaviour; lunacy; craziness.
    • 2013, Douglas Schwartz, Checkered Scissors, page 211:
      Then again, her whole evening was full of crazy, and she didn't know what else to do.



See also[edit]