adjective (a)

• lacking in magnanimity(adj.all)

  Example:
  It seems ungenerous to end this review of a splendid work of scholarship on a critical note.
  

  Synonym:
  meanspirited
  

  source: wordnet30
• unwilling to spend(adj.all)

  Example:
  An ungenerous response to the appeal for funds.
  

  Synonym:
  stingy
  Antonym:
  generous
  

  source: wordnet30
• Not generous; illiberal; ignoble; unkind; dishonorable.(adjective)

  source: webster1913