'Ingratitude' definitions:

Definition of 'ingratitude'

From: WordNet
noun
A lack of gratitude [syn: ingratitude, ungratefulness] [ant: gratitude]

Definition of 'Ingratitude'

From: GCIDE
  • Ingratitude \In*grat"i*tude\, n. [F. ingratitude, L. ingratitudo. See Ingrate.] Lack of gratitude; insensibility to, forgetfulness of, or ill return for, kindness or favors received; unthankfulness; ungratefulness. [1913 Webster]
  • Ingratitude, thou marble-hearted fiend. --Shak. [1913 Webster]
  • Ingratitude is abhorred both by God and man. --L'Estrange. [1913 Webster]