Fellow vs The guy

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

Fellow

Top 2,000 (common)B2adjective

The guy

InformalTop 2,000 (common)
Most formal: Fellow
 FellowThe guy
Pronunciation🇬🇧 /["/ˈfeləʊ/"]/🇺🇸 /["/ˈfeləʊ/"]/🇬🇧 //ðə ɡaɪ//🇺🇸 //ðə ɡaɪ//
MeaningA person who shares something in common with you, like a job or interest.A man or male person.
Example**fellow citizens/students**The guy over there is my brother.
RegisterNeutralInformal
How commonTop 2,000 (common)Top 2,000 (common)
CEFR levelB2-
Part of speechadjective
Collocationsfellow student, fellow worker, fellow traveler, fellow member, fellow countrymanthat guy, some guy, a nice guy
Antonymsenemy, rival-
Common mistakesConfused with 'fellow' vs 'follow'., Using 'fellow' for an individual without a collective context., Mispronouncing as 'fello' instead of 'fellow'.Confused with 'men' - 'the guy' refers to one male., Used for female individuals - 'the guy' is only for males.
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.

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Fellow
The guy

Frequently asked questions: Fellow vs The guy

What's the difference between Fellow and The guy?

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

Which is more formal: Fellow and The guy?

Fellow is the most formal of these.

Can you show an example of each?

Fellow: **fellow citizens/students** The guy: The guy over there is my brother.

Can I use Fellow and The guy interchangeably?

Not always. Fellow and The guy are related and overlap in some contexts, but they differ in register, how common they are, and usage, so swapping one for another can change the meaning or tone. Check the differences above before substituting.

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