Search Result for "thankless": 
Wordnet 3.0

ADJECTIVE (2)

1. not feeling or showing gratitude;
- Example: "ungrateful heirs"
- Example: "How sharper than a serpent's tooth it is / To have a thankless child!"- Shakespeare
[syn: ungrateful, thankless, unthankful]

2. not likely to be rewarded;
- Example: "grading papers is a thankless task"
[syn: thankless, unappreciated, ungratifying]


The Collaborative International Dictionary of English v.0.48:

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]
WordNet (r) 3.0 (2006):

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, thankless, unthankful] [ant: grateful, thankful] 2: not likely to be rewarded; "grading papers is a thankless task" [syn: thankless, unappreciated, ungratifying]
Moby Thesaurus II by Grady Ward, 1.0:

59 Moby Thesaurus words for "thankless": bitter, bootless, careless, despised, disagreeable, dislikable, disliked, displeasing, distasteful, fruitless, futile, heedless, lowly, miserable, misprized, misunderstood, out of favor, profitless, self-centered, sour, thoughtless, ugly, unacknowledged, unalluring, unappealing, unappetizing, unappreciated, unappreciative, unattractive, uncared-for, undelectable, undelicious, undesirable, unengaging, unenjoyable, ungrateful, uninviting, unlamented, unlikable, unmindful, unmissed, unmourned, unpalatable, unpleasant, unpleasing, unpopular, unprofitable, unregretted, unrequited, unrewarding, unsavory, unsung, untasteful, unthankful, unvalued, unwelcome, useless, vain, wretched