Flippant
Flippant , adjective
[Prov. English flip to move nimbly; compare Welsh llipa soft, limber, pliant, or Icelandic fleipa to babble, prattle. Compare Flip, Fillip, Flap, Flipper.]
1.
Of smooth, fluent, and rapid speech; speaking with ease and rapidity; having a voluble tongue; talkative.
It becometh good men, in such cases, to be flippant and free in their speech.
2.
Speaking fluently and confidently, without knowledge or consideration; empty; trifling; inconsiderate; pert; petulant.
Flippant epilogues.
To put flippant scorn to the blush.
A sort of flippant, vain discourse.
Flippant , noun
A flippant person. [Rare] — Tennyson