used as a familiar term of address to a man — A male person; a bloke, a chap, a guy, a man; also, preceded by a modifying word, sometimes with a sense of mild reproach

• If you trust such a fellow, you'll lose everything you have.

  Tatoeba · CK · CC BY 2.0 FR

• Do you know that fellow?

  Tatoeba · Amastan · CC BY 2.0 FR

A companion; a comrade

An animal which is a member of a breed or species, or a flock, herd, etc

An object which is associated with another object; especially, as part of a set

One comparable in characteristics with another; especially, as belonging to the same class or group

One comparable in characteristics with another; especially, as belonging to the same class or group.; One with abilities, achievements, skills, etc., equal to those of another; a thing with characteristics, worth, etc., equal to those of another thing

One comparable in characteristics with another; especially, as belonging to the same class or group.; One in the same condition, or situation of need, as another

One comparable in characteristics with another; especially, as belonging to the same class or group.; An equal in character, power, rank, etc.; a peer

One comparable in characteristics with another; especially, as belonging to the same class or group.; One living at the same time, or about the same age as another, especially when in the same field of study or work

An individual regardless of gender; usually qualified by an adjective or used in the plural

To equal (someone or something); also, to cause or find someone or something to be equal to (another)

To pair or suit (someone or something) with another; also, to pair or suit someone or something with (another); to arrange (things) in pairs

To associate or join (oneself, someone, or something) with another in companionship or a partnership

To address (someone) as "fellow", especially in an insulting manner (see noun sense 10.6)