Marked by disrespectful levity or casualness; pert.(adjective)
Archaic Talkative; voluble.(adjective)
American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
Use "flippant" in a sentence
"If she is right, I can only suppose that Miss Pettigrew in using the word flippant meant to support the authority of her subordinates and to snub Lalage for attempting to rebel against time-honoured tradition."
"* Flipe -- One who is "flippant" -- of which word it is the substantive, and a good one too."
"There are levels to him that rise and fall as his emotions do, yet underneath the flippant is a deep guy with a good heart."