disapproval If you describe someone playing a game as unsporting, you are critical of them because they have done something that is unfair to their opponent. Players are warned, fined and can even be disqualified for unsporting actions in the heat of contest. behaving in an unfair way, especially towards an opponent in a game or competition
violating accepted standards or rules; "a dirty fighter"; "used foul means to gain power"; "a nasty unsporting serve"; "fined for unsportsmanlike behavior"