When he had bitterly reminded Dounia that he had decided to take her in spite of evil report, Pyotr Petrovitch had spoken with perfect sincerity and had, indeed, felt genuinely indignant at such "black ingratitude."
I have taken action and I will tell you why: solely, madam, solely, owing to your black ingratitude!
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.’