lightweight (suomeksi)

kevytsarjalainen (s: boxer / one of little consequence or ability)
kevytsarja (s: bodybuilding: competitive weight division between bantamweight and welterweight)
juoppo (s: person who can't handle their drink)
köykäinen (a: lacking in earnestness, ability, or profundity / having less than average weight)
kevyt (a: having less than average weight)
kevytrakenteinen (a: having less than average weight)