Fellow vs The guy

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

 FellowThe guy
MeaningA person who shares something in common with you, like a job or interest.A man or male person.
Register-informal
CEFR levelB2-
Part of speechadjective
Usage notesUsed when referring to people in a similar group, often in an academic or professional context. Avoid using for casual conversations; instead, use 'friend' or 'buddy'.Used in casual conversation to refer to a male person. It may be perceived as too informal in formal contexts.

Frequently asked questions: Fellow vs The guy

What's the difference between "Fellow" and "The guy"?

"Fellow" means: A person who shares something in common with you, like a job or interest. "The guy" means: A man or male person.

When should I use "Fellow" and "The guy"?

"The guy" is informal.

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