Open English Wordnet
Nouns
(n)chap, fellow, feller, fella, lad, gent, blighter, cuss, blokea 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” (n)colleague, confrere, fellowa person who is member of one's class or profession“the surgeon consulted his colleagues”,
“he sent e-mail to his fellow hackers” (n)mate, fellowone of a pair“he lost the mate to his shoe”,
“one eye was blue but its fellow was brown” (n)fellowa member of a learned society“he was elected a fellow of the American Physiological Association” (n)fellow, dude, busteran informal form of address for a man“Say, fellow, what are you doing?”,
“Hey buster, what's up?” (n)boyfriend, fellow, beau, swaina 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 marry his long-time boyfriend Jim”