adjective
crazier; -est
[also more ~; most ~]
not sane: such as
a usually offensive :having or showing severe mental illness
This sense is no longer used in a serious way and is now usually considered offensive. The phrase mentally ill is preferred.
unable to think in a clear or sensible way
c - used in the phrase drive/make (someone) crazy to describe annoying or bothering someone very much
wild and uncontrolled
very foolish or unreasonable
very strange or unusual
liking someone or something very much :very fond of or enthusiastic about someone or something
go crazy
to become mentally ill :to go insane
usually used in an exaggerated way
to act in a way that is out of control :to act wildly
like crazy
informal
with a lot of energy and speed
very quickly
very much
noun
plural -zies
[count] chiefly US informal :a person who is crazy
adverb
US informal :very or extremely
US