crazy

[ krey-zee ]

/ ˈkreɪ zi /

Save This Word!

See synonyms for: crazy / crazier / craziest / crazies on Thesaurus.com

adjective, cra·zi·er, cra·zi·est.

mentally deranged; demented; insane.

Informal. unpredictable, nonconforming, or odd: All I can say is she's the craziest person I know.

Informal. unusual; bizarre; singular: She always wears a crazy hat.

Informal. senseless; nonsensical; totally unsound: Surely you don’t plan to invest money in that crazy scheme!

Informal. extremely busy, hectic, chaotic, etc.: Yesterday was such a crazy day I hardly had time to eat.

Informal. intensely enthusiastic; passionately excited (usually followed by about or for): Like many kids, he was crazy for baseball and yearned to be a professional ballplayer.

Informal. very enamored or infatuated (usually followed by about or for): It's obvious he's just crazy about her.

Informal. intensely anxious or eager; impatient: I'm crazy to try those new skis.

Informal. very annoyed, frustrated, or bothered: It makes me crazy that some kids don't get a fair chance in life.

Informal. having an unusual, unexpected, or random quality, behavior, result, pattern, etc.: I'm back in Connecticut in a crazy twist of events, living in the same town where I grew up.

Slang. wonderful; excellent; perfect: That's crazy, man, crazy.

Archaic. likely to break or fall to pieces.

Archaic. weak, infirm, or sickly.

adverb

Informal. extremely; madly: December is a crazy busy month for us.That new clothing store is crazy popular with teenage girls.

noun, plural cra·zies.

a person who is mentally deranged or insane.

Informal. an unpredictable, nonconforming person; oddball: Next door is a house full of crazies who wear weird clothes and come in at all hours.

the crazies, Informal. 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.

OTHER WORDS FOR crazy

1 crazed, lunatic.

4 foolish; imprudent, foolhardy.

6 ardent, impassioned, passionate.

See synonyms for crazy on Thesaurus.com

OPPOSITES FOR crazy

1 sane.

6 cool, dispassionate.

12 stable.

13 strong; healthy.

See antonyms for crazy on Thesaurus.com

QUIZ

CAN YOU ANSWER THESE COMMON GRAMMAR DEBATES?

There are grammar debates that never die; and the ones highlighted in the questions in this quiz are sure to rile everyone up once again. Do you know how to answer the questions that cause some of the greatest grammar debates?

Question 1 of 7

Which sentence is correct?

His boss, whom he admires, is waiting to meet with him about the big project.

His boss, who he admires, is waiting to meet with him about the big project.

TAKE THE QUIZ TO FIND OUT

Idioms about crazy

like crazy, Informal.

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

First recorded in 1570–80; craz(e) + -y¹

synonym study for crazy

1. See mad.

OTHER WORDS FROM crazy

cra·zi·ly, adverbcra·zi·ness, nounhalf-cra·zy, adjective

How to use crazy in a sentence

Israelis often are amused and appalled by the crazies attracted to the Holy Land, and not only for religious reasons.
The Strange Case of the Christian Zionist Terrorist|Creede Newton|December 14, 2014|DAILY BEAST
Democrats dig in their heels, certain that ceding ground to “the crazies” will set a dangerous precedent of retreat.
Cliven Bundy Is Angry—Just Like the Rest of Us|James Poulos|April 19, 2014|DAILY BEAST
But with that always comes a few crazies who spend like all their waking time on social media just trying to diss stuff.
Norman Reedus: Daryl Doesn’t Need Romance, ‘The Walking Dead’ Isn’t About Erections|Melissa Leon|March 13, 2014|DAILY BEAST
It's not enough to condemn the crazies in the company of friends.
Will the Republican Moderates Please Stand Up?|David Frum|October 10, 2013|DAILY BEAST

He also reminded them that the Cruz crazies heeded only themselves.
Peter King: I Did My Best to Fight the Cruz Crazies|Michael Daly|October 1, 2013|DAILY BEAST

British Dictionary definitions for crazy

crazy

/ (ˈkreɪzɪ) /

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

Derived forms of crazy

crazily, adverbcraziness, noun

Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Other Idioms and Phrases with crazy

crazy

In addition to the idioms beginning with crazy

crazy about, be
crazy like a fox

also see:

drive someone crazy
like crazy

crazy

OTHER WORDS FOR crazy

OPPOSITES FOR crazy

Idioms about crazy

Origin of crazy

synonym study for crazy

OTHER WORDS FROM crazy

Words related to crazy

How to use crazy in a sentence

British Dictionary definitions for crazy

Derived forms of crazy

Other Idioms and Phrases with crazy