from The American Heritage® Dictionary of the English Language, 4th Edition

  • adj. Affected with madness; insane.
  • adj. Informal Departing from proportion or moderation, especially:
  • adj. Informal Possessed by enthusiasm or excitement: The crowd at the game went crazy.
  • adj. Informal Immoderately fond; infatuated: was crazy about boys.
  • adj. Informal Intensely involved or preoccupied: is crazy about cars and racing.
  • adj. Informal Foolish or impractical; senseless: a crazy scheme for making quick money.
  • n. One who is or appears insane: "To them she is not a brusque crazy, but 'appropriately passionate'” ( Mary McGrory).
  • idiom like crazy Informal To an exceeding degree: They were running around like crazy.

from Wiktionary, Creative Commons Attribution/Share-Alike License

  • adj. Insane; demented.
  • adj. Out of control.
  • adj. Overly excited or enthusiastic.
  • adj. In love; experiencing romantic feelings.
  • adj. Unexpected; surprising.
  • adj. Characterized by weakness or feebleness; decrepit; broken; falling to decay; shaky; unsafe.
  • adv. Very, extremely.
  • n. An insane or eccentric person; a crackpot.

from the GNU version of the Collaborative International Dictionary of English

  • adj. Characterized by weakness or feebleness; decrepit; broken; falling to decay; shaky; unsafe.
  • adj. Broken, weakened, or dissordered in intellect; shattered; demented; deranged.
  • adj. Inordinately desirous; foolishly eager.

from The Century Dictionary and Cyclopedia

  • Broken; impaired; dilapidated; weak; feeble: applied to any structure, but especially to a building or to a boat or a coach: as, a crazy old house or vessel.
  • Broken, weakened, or disordered in intellect; deranged; insane; demented.
  • Caused by or arising from mental derangement; marked by or manifesting insanity: as, a crazy speech; crazy actions.

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

  • adj. foolish; totally unsound
  • n. someone deranged and possibly dangerous
  • adj. bizarre or fantastic
  • adj. intensely enthusiastic about or preoccupied with
  • adj. possessed by inordinate excitement
  • adj. affected with madness or insanity


from Wiktionary, Creative Commons Attribution/Share-Alike License

This definition is lacking an etymology or has an incomplete etymology. You can help Wiktionary by giving it a proper etymology.


  • “Though there was a song about the ‘Nut-brown Maid’ too; I think she was crazy, —crazy Kate, —but I can’t justly remember.

    II. First Impressions. Book VI—The Great Temptation

  • Last week, Shaheen was being interviewed by the ever-so-civil Chris Matthews when he maligned many of Shaheen's own constituents by using the term "crazy Tea Party people."

    All Stories

  • What earns Divko the label crazy is his devotion to Bonny, a creature he credits with bringing him good luck.

    NYT > Home Page

  • She doesn't have any illness that we know of, but the couple gives new meaning to the term crazy in love.

    The Death of the Love Story

  • Ginger meditates on the word crazy and wonders what, in the great scheme of things, that word really means.

    Sufficient Grace

  • Nowadays most of us whisper the term crazy, realizing that we ourselves are liable to be caught up and incarcerated under that head.

    The Gentle Art of Cooking Wives

  • The panel does not agree with that interpretation; it does not consider that the expression 'crazy bitch,' as used in the song, is aimed at womanhood in general.

    The Globe and Mail - Home RSS feed

  • Yes, there are pacificists in the world but to simply slap the label "crazy" on them is poor form. Top headlines

  • After enduring what he described as a "crazy" season with relegated Birmingham, Johnson was desperate to make a swift return to the Premier League to keep his England ambitions alive.

    Roger Johnson talks up his England chances after joining Wolves

  • We will probably be moving a year from now, and the crazy is already setting in.

    I Am a PCS Worrier - SpouseBUZZ


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  • That's crazy interesting, ptero!

    Though I (personally) (myself) think that the combination of Mr Pibbs and red vines* sounds pretty disgusting. Barfworthy, almost.

    *: assuming red vines are what I think they are.

    December 2, 2008

  • I've been watching in fascination as this word acquires a new meaning. It's now in common use as a synonym for "very" and "extremely" (as in the phrase "Mr. Pibb + Red Vines = crazy delicious"), and I love the new meaning. I use it myself.

    The only other word I can think of that's undergone such a process within my lifetime is "random" (as in "boy, that was a random comment").

    December 2, 2008

  • "I go crazy, crazy, baby, I go crazy

    You turn it on

    Then you're gone

    Yeah you drive me

    Crazy, crazy, crazy, for you baby

    What can I do

    Honey, I feel like the color blue"

    August 29, 2008