ingrateful Meaning, Definition & Usage

In"grate`ful adjective
Etymology
L. ingratus ingrateful (pref. in- not + gratus beloved, dear, grateful) + -ful: cf. F. ingrat. See Grateful.
Definitions
  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.

Webster 1913