impish

a.

1.

Having the qualities, or showing the characteristics, of an imp; naughtily or annoyingly playful; as, teasing and worrying with impish laughter.

Adj.

1.

impish - naughtily or annoyingly playful; "teasing and worrying with impish laughter" Synonyms: implike, mischievous, pixilated, prankish, puckish

arch, devilish, elfish, elvish, foolish, full of mischief, high-spirited, knavish, mischief-loving, mischievous, playful, prankish, pranksome, pranky, puckish, roguish, scampish, scapegrace, sportive, trickish, tricksy, waggish