1. (

• chap ,
• fellow ,
• feller ,
• fella ,
• lad ,
• gent ,
• blighter ,
• cuss ,
• bloke

) a boy or man; "that chap is your host"; "there's a fellow at the door"; "he's a likable cuss"; "he's a good bloke" ;

2. (

• companion ,
• comrade ,
• fellow ,
• familiar ,
• associate ,

) a friend who is frequently in the company of another; "drinking companions"; "comrades in arms" ;

3. (

• colleague ,
• confrere ,
• fellow ,

) a person who is member of one's class or profession; "the surgeon consulted his colleagues"; "he sent e-mail to his fellow hackers" ;

4. (

• mate ,
• fellow

) one of a pair; "he lost the mate to his shoe"; "one eye was blue but its fellow was brown" ;

5. (

• fellow ,

) a member of a learned society; "he was elected a fellow of the American Physiological Association" ;

6. (

• fellow ,
• dude ,
• buster ,

) an informal form of address for a man; "Say, fellow, what are you doing?"; "Hey buster, what's up?" ;

7. (

• boyfriend ,
• fellow ,
• beau ,
• swain

) a man who is the lover of a man or woman; "if I'd known he was her boyfriend I wouldn't have asked"; "When the law changed, Pet could finally married his long-time boyfriend Jim" ;