Definition: (adjective) Marked by disrespectful levity or casualness.
Synonyms: frivolous, irreverent, saucy, glib, pert, impertinent, impudent.
Usage: When a sensible woman has a serious question put to her, and evades it by a flippant answer, it is a sure sign, in ninety-nine cases out of a hundred, that she has something to conceal.
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