ungratefulness
忘恩負義
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.
-- Un*grate*ful*ly, adv. -- Un*grate*ful*ness, n.
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ungratefulness
n : a lack of gratitude [syn: ingratitude] [ant: gratitude]