Ungrateful

Un`grate´ful

a.	1.	Not grateful; not thankful for favors; making no returns, or making ill return for kindness, attention, etc.; ingrateful.
	2.	Unpleasing; unacceptable; disagreeable; as, harsh sounds are ungrateful to the ear.

Adj.	1.	ungrateful - not feeling or showing gratitude; "ungrateful heirs"; "How sharper than a serpent's tooth it is / To have a thankless child!"- Shakespeare Synonyms: thankless, unthankful Antonyms: grateful, thankful - feeling or showing gratitude; "a grateful heart"; "grateful for the tree's shade"; "a thankful smile"
	2.	ungrateful - disagreeable; "I will not perform the ungrateful task of comparing cases of failure"- Abraham Lincoln