Definitions
American Heritage® Dictionary of the English Language, Fourth 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.
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.
Wiktionary
- adj. Insane; demented.
- adj. Out of control.
- adj. Overly excited or enthusiastic.
- adj. In love; experiencing romantic feelings.
- adj. informal Unexpected; surprising.
- adj. Characterized by weakness or feebleness; decrepit; broken; falling to decay; shaky; unsafe.
- adv. slang Very, extremely.
- n. An insane or eccentric person; a crackpot.
GNU Webster's 1913
- adj. Characterized by weakness or feebleness; decrepit; broken; falling to decay; shaky; unsafe.
- adj. Broken, weakened, or dissordered in intellect; shattered; demented; deranged.
- adj. colloq. Inordinately desirous; foolishly eager.
WordNet 3.0
- 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
Etymologies
- This definition is lacking an etymology or has an incomplete etymology. You can help Wiktionary by giving it a proper etymology. (Wiktionary)
Examples
“Though there was a song about the Nut-brown Maid too; I think she was crazy, crazy Kate, but I cant justly remember.”
“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.”
“What earns Divko the label crazy is his devotion to Bonny, a creature he credits with bringing him good luck.”
“She doesn't have any illness that we know of, but the couple gives new meaning to the term crazy in love.”
“Ginger meditates on the word crazy and wonders what, in the great scheme of things, that word really means.”
“Nowadays most of us whisper the term crazy, realizing that we ourselves are liable to be caught up and incarcerated under that head.”
“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.”
“Yes, there are pacificists in the world but to simply slap the label "crazy" on them is poor form.”
“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.”
The Guardian: 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.”
Lists
These user-created lists contain the word ‘crazy’.
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Contemporary character classes?
as a youth I, and some others, made a pen-and-paper RPG, based in contemporary crime and suspense fiction + nonfiction, set in America's blighted urban centers, anonymous slurbs, and godforsaken hi...
acrobat, actor, artist, anarchist, bagman, arsonist, yuppie, yakuza underling, yakuza oyabun, yakuza lieutenant, writer, white trash and 192 more...
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Phonestheme: CR- (or KR-)
Grateful credit to pterodactyl and http://reocities.com/SoHo/Studios/9783/phond1.html.
crook, crack, crane, cremains, cranberries, crimp, crow, crunch, crash, creak, croak, cronk and 94 more...
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macabre
words associated with the macabre & horror.
( open list, randomness )
more:
http://www.wordnik.co...ghastly, grisly, culeus, silly, gruesome, horrid, morbid, angelic, shocking, hideous, ghoulish, frightful and 135 more...
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UK Usage - Find US Equivalent
All these terms have a (different) American English equivalent. Wonder if you can identify them?
abridgement (abri..., accoutrement, accoutre, acknowledgement (..., opposite, advert, adaptor, adapter, sticking plaster, advertise, adviser (advisor ..., adze, aesthete and 1196 more...
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Bonkers
List for old and new terms and phrases meaning crazy, nuts, batty, prone to extreme nervousness, etc.
bonkers, crazy, nuts, batty, batchy, bats in the belfry, scatty, crackers, windy, gone crackers, cracked, dingo and 92 more...
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Describing People
eye, hair, mouth, nose, tooth, head, face, arm, hand, finger, lip, leg and 212 more...
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The Pain of Texting
Words that are a pain in the ass to type in on a numerical keypad on a cell phone because they have consecutive letters that share the same button:
2 - ABC
3 - DEF
4 - GHI...defcon, hi, no, attitude, xylophone, on, monday, monkey, mono, dig, back, babble and 212 more...
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Words Heard Too Often In Songs
Words overused in modern pop music.
Also see ruzuzu's list: Words that should be heard in songs more often.love, heart, dance, dancefloor, down, take, want, night, fight, baby, like, ooooh and 136 more...
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Y
What a -Y does to an otherwise common, dull word
zany, waxy, wavy, arty, chewy, bony, boxy, cozy, nosy, foxy, wiry, junky and 321 more...
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Adjectives
sagacious, average, angry, mad, crazy, giant, ugly, pretty, happy, sad, lonely, solitary and 119 more...
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Mentally irregular
Words for the mentally irregular
bonkers, unhinged, batshit crazy, cognitive dissonance, apophenia, undone, loony, unsound, deranged, a bit off the beam, daft, stark ravin' mad and 65 more...
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Kitten Is:
Mere days ago, I found a five-week-old kitten abandoned in the median of the Avenue we live on. She was in terrible shape, but is doing great now thanks to love and dedication.
The fo...small, hyper, bitey, silly, springy, soft, sage-eyed, tortoise shell, archy, darty, sneaky, bestriped and 27 more...
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Quilt Designs
log cabin, bear claw, double wedding ring, amish diamond center, flower basket, pinwheel, irish chain, lone star, broken star, drunkard's path, nine patch, flying geese and 84 more...
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disorder (psychological)
various psychological disorders, imbalances. supposed reasons for the mentally insane. crazy talk yo.
loosely connected to traits (bad)
( randomness, descriptive, psycho...crazy, schizophrenia, narcissism, obsessive compulsion, anxiety, attention deficit, depression, bipolar, mania, synesthesia, psychosis, autism and 12 more...
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elementjif's list
random.
fart, ookiechava, police, jizz, pain, word, poop stain, poop, lol, crazy, mommy, hitler and 1 more...
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Bonkers
crackers, barmy, half-baked, mental, unhinged, barking, cuckoo, cracked, nuts, mad, insane, touched and 24 more...
Tweets
Looking for tweets for crazy.

sionnach 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. Dec 2, 2008
pterodactyl 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"). Dec 2, 2008
lampbane "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" Aug 29, 2008