adjective, cra·zi·er, cra·zi·est.
- 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.
noun, plural cra·zies.
- 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.
adjective -zier or -ziest
- informal insane
- fantastic; strange; ridiculousa crazy dream
- (postpositive; foll by about or over) informal extremely fond (of)
- slang very good or excellent
noun plural crazies
- informal a crazy person
c.1600, “infirmity,” from+ . Meaning “state of being flawed or damaged” is from 1660s; that of mental unsoundness” is from 1755.
1570s, “diseased, sickly,” from 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.”+ (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
In addition to the idioms beginning with crazy
- crazy about, be
- crazy like a fox
- drive someone crazy
- like crazy