ingrate /ˈɪnɡɹeɪt/adjective 2noun 1forms 3 adjective2 •(literary, no longer used) Ungrateful.But I will lift the down-trod Mortimer / As high in the air as this unthankful king, / As this ingrate and canker'd Bolingbroke. — 1597 •(no longer used) Unfriendly; unpleasant. noun1 •An ungrateful or unpleasant person."Speak the truth, you ingrate!" cried Miss Havisham, passionately striking her stick upon the floor; “you are tired of me.” — 1860 formsingrates · more ingrate · most ingrate