Adjective
- 1. ungrateful (vs. grateful), thankless, unthankful, unappreciative
- usage: not feeling or showing gratitude; "ungrateful heirs"; "How sharper than a serpent's tooth it is / To have a thankless child!"- Shakespeare
- 2. ungrateful, unpleasant (vs. pleasant)
- usage: disagreeable; "I will not perform the ungrateful task of comparing cases of failure"- Abraham Lincoln
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All rights reserved.Definition and meaning of ungrateful (Dictionary)