Definify.com

Webster 1913 Edition

Flippantness

Flip′pant-ness

,

Noun.

State or quality of being flippant.

Webster 1828 Edition

Flippantness

FLIP'PANTNESS

,

Noun.

fluency of speech; volubility of tongue; flippancy.

[This is not a low, vulgar word, but well authorized and peculiarly expressive.]