Definition of crazy in English:

crazy

Syllabification: cra·zy
Pronunciation: /ˈkrāzē
 
/
informal

adjective (crazier, craziest)

1Mentally deranged, especially as manifested in a wild or aggressive way: Stella went crazy and assaulted a visitor a crazy grin
More example sentences
  • Everyone thought he went crazy, thought he was a madman.
  • About a year and a half after the marriage broke up, things started to get bad and I sort of lost it… I went crazy.
  • Though a sad, sick fan also went crazy and assaulted the referee.
Synonyms
1.1Extremely annoyed or angry: the noise they made was driving me crazy
More example sentences
  • He was driving her crazy acting like a stubborn child.
  • It made me want to say, ‘Hey, Charlotte, you're driving him crazy, he's a man, give him a break.’
  • Joe decided that he had to get his hair cut while we were on vacation, because it was ‘too long,’ and therefore driving him crazy.
1.2Foolish: it was crazy to hope that good might come out of this mess
More example sentences
  • She laughed again, as if the concept was too crazy to grasp.
  • It seems totally crazy to have left a good job in NZ to come here to be together and then have to spend less time ‘together’ than we did when I lived in NZ.
  • Not for the first time, I'm wondering if I'm crazy to be here.
Synonyms
2Extremely enthusiastic: I’m crazy about Cindy a football-crazy bunch of boys
More example sentences
  • And you were crazy about him, too, once, remember?
  • I like the melody of the acoustic guitar here, but I'm not crazy about the fact that it's acoustic guitar or that it's put with those other instruments.
  • No wonder some kids aren't so crazy about books.
Synonyms
passionate about, (very) keen on, enamored of, infatuated with, smitten with, devoted to;
(very) enthusiastic about, fanatical about
informal wild about, mad about, nuts about, hog-wild about, gone on
3(Of an angle) appearing absurdly out of place or in an unlikely position: the monument leaned at a crazy angle
More example sentences
  • He considered this, but he stifled his reply when he caught sight of a seemingly ordinary pile of rock that rose at a crazy angle out of the ground.
  • That night, as I closed my eyes to try to sleep, all I could see was the bow of the central hull, pointing at a crazy angle going full-throttle down a wave and accelerating into a wall of water.
  • He attempted the almost impossible, trying to squeeze the ball in from a crazy angle when really the pass to an attacking colleague was the only option.
3.1 archaic (Of a ship or building) full of cracks or flaws; unsound or shaky.

adverb

[as submodifier] chiefly North American Back to top  
Extremely: I’ve been crazy busy
More example sentences
  • The menu isn't crazy big and I'm assuming the business is on the new side.
  • I love their footwear range too, the designs are crazy cool.
  • The crazy high level of competition the Huskies have faced has, I fear, warped my view of the team.

noun (plural crazies)

chiefly North American Back to top  
A mentally deranged person.
More example sentences
  • Was she the daughter of weirdos and crazies like the ones her father had claimed just now?
  • It's framing us as the regular people and them as the crazies for a change - something that 60% of the American people seem to agree is at least a possibility.
  • Fundamentalism seems to be slowly killing the religion, as people become disillusioned on finding that this nice liberal religion is led by the same type of crazies who lead all the other religions.

Origin

late 16th century (in sense 'full of cracks'): from craze + -y1.

Phrases

like crazy

To a great degree: I was laughing like crazy
More example sentences
  • For some reason, that set them both off once more and they started laughing like crazy.
  • It's not too funny now but I remember than we had laughed like crazy.
  • Colours can be safe, soft and muted, bold and bright or even clash like crazy as long as your wardrobe is new and tailored to your best look and shape.

Derivatives

crazily

adverb
More example sentences
  • It's not crazily impossible or unreasonable but it's not as easy as some of the missions presented earlier.
  • She is now madly in love and crazily preparing her wardrobe and cleaning her monumentally messy home.
  • Canopies in blue, green, and silvery metal swoop crazily toward the ground.

craziness

noun
More example sentences
  • There's a dark realism to all this madness, despite the craziness of it all.
  • I come from a large family, too, so I know very well the insanity and craziness that goes on there.
  • This is a joyous look at life and all the craziness that could happen.

Definition of crazy in:

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