thankless : Dictionary / Wörterbuch (BEOLINGUS, TU Chemnitz)

English Dictionary: thankless	by the DICT Development Group
2 results for thankless
From WordNet (r) 3.0 (2006) [wn]:
thankless adj not feeling or showing gratitude; "ungrateful heirs"; "How sharper than a serpent's tooth it is / To have a thankless child!"- Shakespeare Synonym(s): ungrateful, thankless, unthankful Antonym(s): grateful, thankful not likely to be rewarded; "grading papers is a thankless task" Synonym(s): thankless, unappreciated, ungratifying
From Webster's Revised Unabridged Dictionary (1913) [web1913]:
Thankless \Thank"less\, a. 1. Not acknowledging favors; not expressing thankfulness; unthankful; ungrateful. That she may feel How sharper than a serpent's tooth it is To have a thankless child! --Shak. 2. Not obtaining or deserving thanks; unacceptable; as, a thankless task. To shepherd thankless, but by thieves that love the night allowed. --Chapman. -- {Thank"lessly}, adv. -- {Thank"lessness}, n.