definition of
[mischievous]

[1] #1 mischievous s. [arch, impish, implike, pixilated, prankish, puckish, wicked] naughtily or annoyingly playful; "teasing and worrying with impish laughter"; "a wicked prank". wn

[2] #2 mischievous s. deliberately causing harm or damage; "mischievous rumors and falsehoods". wn