Search Result for "ungrateful": 
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. disagreeable;
- Example: "I will not perform the ungrateful task of comparing cases of failure"- Abraham Lincoln


The Collaborative International Dictionary of English v.0.48:

Ungrateful \Un*grate"ful\, a. 1. Not grateful; not thankful for favors; making no returns, or making ill return for kindness, attention, etc.; ingrateful. --South. [1913 Webster] 2. Unpleasing; unacceptable; disagreeable; as, harsh sounds are ungrateful to the ear. [1913 Webster] -- Un*grate"ful*ly, adv. -- Un*grate"ful*ness, n. [1913 Webster]
WordNet (r) 3.0 (2006):

ungrateful 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: disagreeable; "I will not perform the ungrateful task of comparing cases of failure"- Abraham Lincoln