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View synonyms for

crazy

[ krey-zee ]

adjective

crazier, craziest.
  1. mentally deranged; demented; insane.

    Synonyms: ,

    Antonyms:

  2. Informal. unpredictable, nonconforming, or odd:

    All I can say is she's the craziest person I know.

  3. Informal. unusual; bizarre; singular:

    She always wears a crazy hat.

  4. Informal. senseless; nonsensical; totally unsound:

    Surely you don’t plan to invest money in that crazy scheme!

    Synonyms: , ,

  5. Informal. extremely busy, hectic, chaotic, etc.:

    Yesterday was such a crazy day I hardly had time to eat.

  6. Informal. intensely enthusiastic; passionately excited (usually followed by about or for ):

    Like many kids, he was crazy for baseball and yearned to be a professional ballplayer.

    Antonyms: ,

  7. Informal. very enamored or infatuated (usually followed by about or for ):

    It's obvious he's just crazy about her.

  8. Informal. intensely anxious or eager; impatient:

    I'm crazy to try those new skis.

  9. Informal. very annoyed, frustrated, or bothered:

    It makes me crazy that some kids don't get a fair chance in life.

  10. Informal. having an unusual, unexpected, or random quality, behavior, result, pattern, etc.:

    I'm back in Connecticut in a crazy twist of events, living in the same town where I grew up.

  11. That's crazy, man, crazy.

  12. Archaic. likely to break or fall to pieces.

    Synonyms: , ,

    Antonyms:

  13. Archaic. weak, infirm, or sickly.

    Antonyms: ,



adverb

  1. Informal. extremely; madly:

    December is a crazy busy month for us.

    That new clothing store is crazy popular with teenage girls.

noun

plural crazies.
  1. a person who is mentally deranged or insane.
  2. Informal. an unpredictable, nonconforming person; oddball:

    Next door is a house full of crazies who wear weird clothes and come in at all hours.

  3. the crazies, Informal. a sense of extreme unease, nervousness, or panic; extreme jitters:

    The crew was starting to get the crazies from being cooped up belowdecks for so long.

crazy

/ ˈɪɪ /

adjective

  1. informal.
    insane
  2. fantastic; strange; ridiculous

    a crazy dream

  3. informal.
    postpositive; foll by about or over extremely fond (of)
  4. slang.
    very good or excellent
“Collins English Dictionary — Complete & Unabridged” 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

noun

  1. informal.
    a crazy person
“Collins English Dictionary — Complete & Unabridged” 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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Derived Forms

  • ˈ, adverb
  • ˈԱ, noun
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Other Word Forms

  • ·· adverb
  • ··Ա noun
  • 󲹱-· adjective
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Word History and Origins

Origin of crazy1

First recorded in 1570–80; craz(e) + -y 1
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Idioms and Phrases

Idioms
  1. like crazy, Informal.
    1. with great enthusiasm or energy; to an extreme:

      We shopped like crazy and bought all our Christmas gifts in one afternoon.

    2. with great speed or recklessness:

      He drives like crazy once he's out on the highway.

More idioms and phrases containing crazy

  • drive someone crazy
  • like crazy
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Synonym Study

See mad.
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Example Sentences

Examples have not been reviewed.

“There’s nothing we can do about a man like Trump. The guy is crazy.”

From

Waters said he loves everything he teases “and maybe that’s why I really never am mean, and people embrace even the most crazy s— I say.”

From

“Your body may be doing stuff that you don’t feel like you planned … We’ve seen people dance or go into crazy yoga poses and that kind of stuff.”

From

Ever since then, I’ve been marking fruit on my map, and now I have a crazy map where you can’t see streets, you can’t see any highways, because it’s just blue flags everywhere.

From

It's been a crazy journey and I didn't expect the books to do so well.

From

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Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.

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