Crazy vs Mad

When to use each in English, with meaning, register, and examples.

 CrazyMad
MeaningVery strange or unusual; not normal.angry or upset
Registerinformalinformal
CEFR levelA2B1
Part of speechadjectiveadjective
Usage notesUsed in informal contexts to describe something that is surprising, wild, or insane. Avoid in formal writings or professional settings.It's commonly used in casual conversations to express anger. Avoid using it in formal situations, as it may be seen as childish.

Frequently asked questions: Crazy vs Mad

What's the difference between "Crazy" and "Mad"?

"Crazy" means: Very strange or unusual; not normal. "Mad" means: angry or upset

When should I use "Crazy" and "Mad"?

"Crazy" is informal; "Mad" is informal.

Are "Crazy" and "Mad" the same CEFR level?

"Crazy" is at A2, "Mad" is at B1 on the CEFR scale.

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