DICT.TW Dictionary Taiwan

 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*less*ly adv. -- Thank*less*ness, n.
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