Found 2 items, similar to thankless.
English → English (WordNet) Definition: thankless thankless adj 1: not feeling or showing gratitude; “ungrateful heirs”; "How sharper than a serpent's tooth it is / To have a thankless child!"- Shakespeare [syn: ungrateful, unthankful] [ant: grateful] 2: not likely to be rewarded; “grading papers is a thankless task” [syn: unappreciated, ungratifying]
English → English (gcide) Definition: Thankless Thankless \Thank"less\, a. 1. Not acknowledging favors; not expressing thankfulness; unthankful; ungrateful. [1913 Webster] That she may feel How sharper than a serpent's tooth it is To have a thankless child! --Shak. [1913 Webster] 2. Not obtaining or deserving thanks; unacceptable; as, a thankless task. [1913 Webster] To shepherd thankless, but by thieves that love the night allowed. --Chapman. [1913 Webster] -- Thank"less*ly, adv. -- Thank"less*ness, n. [1913 Webster]