English Dictionary

Define dictionary terms easily in our powerful online English dictionary.

Searching for...

No matching words found

Try a different search term or browse the dictionary

Definition insane in British English

insane adjective

adjective
/ɪnˈseɪn/
1

very stupid or crazy, especially in a way that is likely to cause serious problems, harm, or injury

Example

It's an insane situation that I can't see any way out of.

Example

You'd be totally insane to see him again.

Synonyms and related words
2

suffering from very severe mental illness so that you cannot be considered legally responsible for your actions

Example

He was certified insane in 1998.

3

to make someone very angry or annoyed

Example

Stop making that noise! It's driving me insane!

Definition insane in British English