'Unbecomingness' definitions:

Definition of 'unbecomingness'

From: WordNet
noun
The quality of being unbecoming [ant: becomingness]

Definition of 'Unbecomingness'

From: GCIDE
  • Unbecoming \Un`be*com"ing\, a. [Pref. un- not + becoming.] Not becoming; unsuitable; unfit; indecorous; improper. [1913 Webster]
  • My grief lets unbecoming speeches fall. --Dryden. [1913 Webster] -- {Un`be*com"ing*ly}, adv. -- {Un`be*com"ing*ness}, n. [1913 Webster]