| Adj. | 1. | unsportsmanlike - violating accepted standards or rules; "a dirty fighter"; "used foul means to gain power"; "a nasty unsporting serve"; "fined for unsportsmanlike behavior"unjust, unfair - not fair; marked by injustice or partiality or deception; "used unfair methods"; "it was an unfair trial"; "took an unfair advantage" | |