ungenerous in WordNet English dictionary

1. lacking in magnanimity
   "it seems ungenerous to end this review of a splendid work of scholarship on a critical note"- Times Litt. Sup.; "a meanspirited man unwilling to forgive"
   ungenerous  meanspirited 
   
2. unwilling to spend
   "she practices economy without being stingy"; "an ungenerous response to the appeal for funds"
   stingy  ungenerous