Ingrateful

Part of speech: adjective (a.)

1. Ungrateful; thankless; unappreciative. Milton. He proved extremely false and ingrateful to me. Atterbury.

2. Unpleasing to the sense; distasteful; offensive. He gives . . . no ingrateful food. Milton. -- In"grate`ful*ly, adv. -- In"grate`ful*ness, n.