un·sport·ing 
/ˌʌnˈspoɚtɪŋ/ adjective
/ˌʌnˈspoɚtɪŋ/ adjective [more unsporting; most unsporting] chiefly Brit : not done or behaving in a way that treats the other people in a sport or competition fairly : not sporting
▪ It was very unsporting of you to trip him. ▪ unsporting behavior
▪ It was very unsporting of you to trip him. ▪ unsporting behavior
