- mentally deranged; demented; insane.
- senseless; impractical; totally unsound: a crazy scheme.
- Informal. intensely enthusiastic; passionately excited: crazy about baseball.
- Informal. very enamored or infatuated (usually followed by about): He was crazy about her.
- Informal. intensely anxious or eager; impatient: I'm crazy to try those new skis.
- Informal. unusual; bizarre; singular: She always wears a crazy hat.
- Slang. wonderful; excellent; perfect: That's crazy, man, crazy.
- likely to break or fall to pieces.
- weak, infirm, or sickly.
- having an unusual, unexpected, or random quality, behavior, result, pattern, etc.: a crazy reel that spins in either direction.
- Slang. an unpredictable, nonconforming person; oddball: a house full of crazies who wear weird clothes and come in at all hours.
- the crazies, Slang. 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.
- like crazy,
- Slang.with great enthusiasm or energy; to an extreme: We shopped like crazy and bought all our Christmas gifts in one afternoon.
- with great speed or recklessness: He drives like crazy once he's out on the highway.
Origin of crazy
SynonymsSee more synonyms for crazy on Thesaurus.com
Examples from the Web for crazy
You were basically the guy to do every dictator or crazy character, from Gaddafi and Ahmadinejad to Bin Laden.Coffee Talk with Fred Armisen: On ‘Portlandia,’ Meeting Obama, and Taylor Swift’s Greatness
January 7, 2015
"That was crazy," Lynn Jenkins of Kansas muttered to another member as she walked to greet Boehner.Democrats Accidentally Save Boehner From Republican Coup
Ben Jacobs, Jackie Kucinich
January 6, 2015
He came to Phoenix once and we went up to see him, and they got so crazy that I ended up trying to hitchhike home.The Story Behind Lee Marvin’s Liberty Valance Smile
January 3, 2015
Just who is crazy enough to go swimming when the pond across the street has a layer of ice across the top?Diving Into 2015 With Polar Bear Plunge Extremists
January 1, 2015
That goodness steered him clear of the Sex Boys, the Crazy Homicides, the Sons of Nuns, and the other gangs of East New York.In The Shadow of Murdered Cops
December 26, 2014
He was acting like a crazy boy, and he was a man, all of twenty-two!
"I guess you know I've been crazy about him," she said quietly.
I don't think much of your Lauzanne, he's like a crazy horse.
I gits half eat by that crazy skate, an' fired without a cent fer it.
"You are crazy; so do not talk any more," interrupted Hubertine, coldly.The Dream
- informal insane
- fantastic; strange; ridiculousa crazy dream
- (postpositive; foll by about or over) informal extremely fond (of)
- slang very good or excellent
- informal a crazy person
Word Origin and History for crazy
1570s, "diseased, sickly," from craze + -y (2). Meaning "full of cracks or flaws" is from 1580s; that of "of unsound mind, or behaving as so" is from 1610s. Jazz slang sense "cool, exciting" attested by 1927. To drive (someone) crazy is attested by 1873. Phrase crazy like a fox recorded from 1935. Crazy Horse, Teton Lakhota (Siouan) war leader (d.1877) translates thašuka witko, literally "his horse is crazy."