'Flippancy' definitions:

Definition of 'flippancy'

From: WordNet
noun
Inappropriate levity; "her mood changed and she was all lightness and joy" [syn: flippancy, light-mindedness]

Definition of 'Flippancy'

From: GCIDE
  • Flippancy \Flip"pan*cy\, n.[See Flippant.] The state or quality of being flippant. [1913 Webster]
  • This flippancy of language. --Bp. Hurd. [1913 Webster]