ungrateful
a. நன்றி கெட்ட.
Synonyms
Un*grate"ful, a. 1. Not grateful; not thankful for favors; making no returns, or making ill return for kindness, attention, etc.; ingrateful. South. 2. Unpleasing; unacceptable; disagreeable; as, harsh sounds are ungrateful to the ear. -- Un*grate"ful*ly, adv. -- Un*grate"ful*ness, n.