flip·pant \-nt\adjective Etymology: probably from flip (I) + -ant 1.now dialect: nimble, limber 2.archaic: being of smooth, fluent, and easy speech : speaking with readiness and ease : having a voluble tongue : talkative < it becometh good men, in such cases, to be flippant — Isaac Barrow > 3.: treating or tending to treat with unsuitable levity that which is serious or to which respect is due : pert • flip·pant·lyadverb • flip·pant·nessnoun-es