That noise is driving me crazy.

Marie says he went crazy, and smashed the room up.

Doesn't it make you crazy when people don't reply to your emails?

very enthusiastic or excited about something

The crowd went crazy when the band came on stage.

This food is so good it's driving me crazy.

liking somebody very much; in love with somebody

I've been crazy about him since the first time I saw him.

having a mental illness that makes somebody unable to think or behave normally

I'd go crazy if I lived here.

She was driven half-crazy by the thought of him in prison.

an offensive word for a person who has strange ideas or who has a mental illness

LEARNit Dictionary