Found 2 items, similar to ungratefulness.
English → English (WordNet) Definition: ungratefulness ungratefulness n : a lack of gratitude [syn: ingratitude] [ant: gratitude]
English → English (gcide) Definition: Ungratefulness 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]