Definition of crazy in English:

crazy

Line breaks: crazy
Pronunciation: /ˈkreɪzi
 
/
informal

adjective (crazier, craziest)

1Mad, especially as manifested in wild or aggressive behaviour: Stella went crazy and assaulted a visitor a crazy look
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
mad, insane, out of one's mind, deranged, demented, not in one's right mind, crazed, lunatic, non compos mentis, unbalanced, unhinged, unstable, disturbed, distracted, mad as a hatter, mad as a March hare, stark mad; Britishsectionable
British informal barmy, crackers, barking, barking mad, round the twist, off one's trolley, as daft as a brush, not the full shilling, one sandwich short of a picnic
Canadian & Australian/New Zealand informal bushed
New Zealand informal porangi
1.1Extremely angry: the noise 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
absurd, preposterous, ridiculous, ludicrous, farcical, laughable, risible; idiotic, stupid, foolish, foolhardy, unwise, imprudent, ill-conceived, silly, inane, puerile, infantile, fatuous, imbecilic, hare-brained, half-baked; unreasonable, irrational, illogical, nonsensical, pointless, senseless, impracticable, unworkable, unrealistic; outrageous, wild, shocking, astonishing, monstrous; unbelievable, incredible, unthinkable, implausible; peculiar, odd, strange, queer, weird, eccentric, bizarre, fantastic, incongruous, grotesque
informal barmy, daft, potty, cock-eyed
US informal wackadoo, wackadoodle
2Extremely enthusiastic: I’m crazy about Cindy [in combination]: 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
very enthusiastic, passionate, fanatical, excited; very keen on, enamoured of, infatuated with, smitten with, devoted to, fond of
informal wild, mad, nutty, nuts, potty, gone on
informal , dated sweet on
3(Of an angle) appearing absurdly out of place or unlikely: the monument leant 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.

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 mad person: keep that crazy away from me
More example sentences
  • He had asked me to house-sit for him, which meant watering the lawn and making sure religious crazies and psycho vampire hunters didn't burn the place down while he was gone.
  • Fame has brought some unwanted attention: the crazies on the Internet now assail the site from time to time, sometimes with organized campaigns.
  • As an expatriate from the Great Lakes State (and someone born in mid-winter, which I like to think has something to do with it), I am one of those crazies who actually enjoy snowy winters.

Origin

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

Phrases

like crazy

To a great degree; very intensely: we are just working 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.
Synonyms
energetically, enthusiastically, madly, with a will, for all one is worth, passionately, intensely, ardently, fervently
British informal , dated like billy-o
In a very fast or unrestrained way: another driver, who was driving like crazy, ran him off the road
More example sentences
  • Her jaw went slack for a moment, then she started smiling like crazy.
  • See I have a problem, on stage, alone, singing… my voice shakes like crazy.
  • In either case, his girl is standing there in front of him, moving around like crazy, just being smolderingly sexy.

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.

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