Flippant /(?)/

Flip·pant

Flippant

a.
  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.
    To put flippant scorn to the blush.
    A sort of flippant, vain discourse.

Flippant

n.
  1. A flippant person. [R.]