'Ingrate' definitions:

Definition of 'ingrate'

From: WordNet
noun
A person who shows no gratitude [syn: ingrate, thankless wretch, ungrateful person]

Definition of 'Ingrate'

From: GCIDE
  • Ingrate \In"grate`\ (?; 277), a. [L. ingratus. See Ingrateful.] Ingrateful. [Obs. or Poetic] --Bacon. [1913 Webster]

Definition of 'Ingrate'

From: GCIDE
  • Ingrate \In"grate`\, n. An ungrateful person. --Milton. [1913 Webster]