What does the word ingratitude mean?

Usage examples for ingratitude

  1. But that debt was never paid or even acknowledged; and he felt the ingratitude very keenly. – The History of the Fabian Society by Edward R. Pease
  2. If he did not, he would be heartless; and you,- you do all you can to teach him ingratitude. – Iermola by Joseph Ignatius Kraszewksi
  3. I part with you forever, and prepare myself for that grave which your folly and ingratitude have dug for me. – Jane Talbot by Charles Brockden Brown