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 crazy in British English

crazy adjective

adjective
/ˈkreɪzi/

Words that may cause offence: crazy

Avoid using words like crazy, mad, and insane about people who have a mental illness. Instead, use an expression such as mentally ill. You can also say ‘he/she has mental health problems’, especially in more formal contexts. Only use crazy in informal situations to describe silly behaviour and actions.

1

not at all sensible or practical

Example

It's crazy. Who would do a thing like that?

Example

Maybe Lou's idea wasn't so crazy after all.

Example

They were offering him crazy amounts of money.

Example

She knew she would be completely crazy to refuse.

Synonyms and related words
Definition crazy in British English