Cambridge Dictionaries online Cambridge Dictionaries online

The most popular online dictionary and thesaurus for learners of English

English definition of “crazy”

See all translations

crazy

adjective
 
 
/ˈkreɪzi/
STUPID A2 stupid or strange: a crazy idea I was crazy not to take that job.Stupid and sillyOf unsound mindStrange, suspicious and unnatural
ANGRY B2 annoyed or angry: The children are driving me crazy (= making me annoyed). Dad went crazy when I told him what had happened.Angry and displeasedBad-tempered
be crazy about sb/sth A2 to love someone very much, or to be very interested in something: Mia's crazy about baseball.Loving and in loveExcited, interested and enthusiastic
go crazy to become very excited about something: When he came on stage the audience went crazy.Excited, interested and enthusiastic
like crazy informal If you do something like crazy, you do a lot of it, or do it very quickly: We worked like crazy to get everything finished.Work, working and the workplaceWorking hours and periods of workIntensifying expressions
crazily adverb craziness noun [U]
(Definition of crazy from the Cambridge Learners Dictionary © Cambridge University Press)
Add Cambridge dictionaries to your browser to your website

More Learner's Dictionary definitions for “crazy”

Definitions of “crazy” in other dictionaries

Word of the Day

lamb

a young sheep, or the flesh of a young sheep eaten as meat

Word of the Day

The way we move (Verbs for walking and running)

by Kate Woodford,
March 25, 2015
​​​ This week we’re looking at interesting ways to describe the way that people move. Most of the verbs that we’ll be considering describe how fast or slow people move. Others describe the attitude or state of mind of the person walking or running. Some describe both. Starting with verbs for walking slowly,

Read More 

stackin’ p

March 30, 2015
idiom slang earning a lot of money ‘That’s a very generous present.”Yeah, well, she’s stackin’ p, innit?’

Read More