It was not only that he was unwilling to entertain thoughts which could be accused of baseness, and was already uneasy in the sense that he had to justify himself from the charge of ingratitude—the latent consciousness of many other barriers between himself and Dorothea besides the existence of her husband, had helped to turn away his imagination from speculating on what might befall Mr. Casaubon.
She is ready prey to any man who knows how to play adroitly either on her affectionate ardor or her Quixotic enthusiasm; and a man stands by with that very intention in his mind—a man with no other principle than transient caprice, and who has a personal animosity towards me—I am sure of it—an animosity which is fed by the consciousness of his ingratitude, and which he has constantly vented in ridicule of which I am as well assured as if I had heard it.
There are no more uses of "ingratitude" in the book.
Show samples from other sources
"Boy," Mrs. Amos said, "I am not the least bit surprised at your show of ingratitude.
Christopher Paul Curtis -- Bud, Not Buddy
I remember he used words like ’failure’ and ’ingratitude,’ and once he said very clearly, ’I know how well I have performed my duty.’