Flippant

Part of speech: noun (n.)

A flippant person. [R.] Tennyson.

Part of speech: adjective (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. Barrow.

2. Speaking fluently and confidently, without knowledge or consideration; empty; trifling; inconsederate; pert; petulant. "Flippant epilogous." Thomson. To put flippant scorn to the blush. I. Taylor. A sort of flippant, vain discourse. Burke.