mischievous Meaning, Definition & Usage

  1. adjective satellite naughtily or annoyingly playful
    pixilated; impish; puckish; prankish; implike; arch; wicked.
    • teasing and worrying with impish laughter
    • a wicked prank
  2. adjective satellite deliberately causing harm or damage
    • mischievous rumors and falsehoods

WordNet

Mis"chie*vous adjective
Definitions
  1. Causing mischief; harmful; hurtful; -- now often applied where the evil is done carelessly or in sport; as, a mischievous child. "Most mischievous foul sin." Shak.
    This false, wily, doubling disposition is intolerably mischievous to society. South.
    Syn. -- Harmful; hurtful; detrimental; noxious; pernicious; destructive. -- Mis"chie*vous*ly, adv. -- Mis"chie*vous*ness, n.

Webster 1913