larkiness

a natural disposition for playful behavior within the confines of the private club, these hotshot lawyers display a larkiness that would do a frat boy proud Synonyms coltishness, espièglerie, friskiness, impishness, playfulness, mischief, mischievousness, prankishness, sportfulness, sportiveness, tricksinessRelated Words coyness, kittenishness; archness, devilment, devilry (or deviltry), hob, rascality, roguishness, waggery; devilishness, diabolicalness, knavery; frivolousness; energy, liveliness, spiritedness, sprightliness, spunkiness, vivaciousness, vivacity; gaiety (also gayety), jocularity, jocundity, lightheartedness, mirthfulness, whimsicalityNear Antonyms graveness, grimness, serious-mindedness, seriousness, solemnity, solemnness, sternness; priggishness, starchiness, stuffiness; constraint, restraint, self-controlAntonyms earnestness, soberness, sobersidedness