roguish

tending to or exhibiting reckless playfulness a roguish grin was the only sign that she had something up her sleeve for the office party Synonyms arch, devilish, elvish, espiègle, impish, knavish, leprechaunish, pixie (also pixy), pixieish, prankish, puckish, rascally, mischievous, scampish, sly, tricksy, waggish, wickedRelated Words antic, coltish, coy, frisky, frolicsome, kittenish, playful, sportful, sportive; gay, happy, lighthearted, whimsical; energetic, lively, spirited, sprightly; artful, crafty, cunning, trickish, tricky, wily; misbehaving, naughty, troublemaking; pestering, riling, teasingNear Antonyms grave, grim, sedate, sober, solemn, staid, stern