informalvery stupid or crazy, especially in a way that is likely to cause serious problems, harm, or injury
It’s an insane situation that I can’t see any way out of.
be insane to do something:
You’d be totally insane to see him again.
Synonyms and related words
Crazy or silly
crazy
silly
ridiculous
2
old-fashionedsuffering from very severe mental illness so that you cannot be considered legally responsible for your actions
certify/declare someone insane:
He was certified insane in 1998.
Synonyms and related words
Mentally ill
bipolar
certifiable
confused
3
drive someone insane
to make someone very angry or annoyed
Stop making that noise! It’s driving me insane!
Submitted by: Caleb Judy from United States on 07/01/2018
derived word
insanely
adverb
insanelyjealous
Synonyms and related words
Mentally ill
bipolar
certifiable
confused
Synonyms and related words
Crazy or silly
crazy
silly
ridiculous
insane
adjective
US /ɪnˈseɪn/
Other entries for this word
Insaneautomatism at automatism
Non-insaneautomatism at automatism
DEFINITIONS3
1
informalvery stupid or crazy, especially in a way that is likely to cause serious problems, harm, or injury
It’s an insane situation that I can’t see any way out of.
be insane to do something:
You’d be totally insane to see him again.
Synonyms and related words
Crazy or silly
crazy
silly
ridiculous
2
old-fashionedsuffering from very severe mental illness so that you cannot be considered legally responsible for your actions. It is usually considered offensive to call someone insane, although this word is still used in some legal or official phrases
certify/declare someone insane:
He was certified insane in 1998.
Synonyms and related words
Mentally ill
bipolar
certifiable
confused
3
drive someone insane
to make someone very angry or annoyed
Stop making that noise! It’s driving me insane!
Submitted by: Caleb Judy from United States on 07/01/2018