Guy vs Man

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

 GuyMan
MeaningA man or a boy.An adult male human.
Registerinformal-
CEFR levelA2A1
Part of speechnounnoun
Usage notesUsed in casual conversations. Avoid in formal writing or speeches. Can refer to people in general, not just males, in very informal contexts.Commonly used in everyday conversations. It's appropriate in neutral contexts, but avoid using in discussions focused on gender-neutral terms.

Frequently asked questions: Guy vs Man

What's the difference between "Guy" and "Man"?

"Guy" means: A man or a boy. "Man" means: An adult male human.

When should I use "Guy" and "Man"?

"Guy" is informal.

Are "Guy" and "Man" the same CEFR level?

"Guy" is at A2, "Man" is at A1 on the CEFR scale.

Related comparisons