'Mischievous' definitions:

Definition of 'mischievous'

(from WordNet)
adjective
Naughtily or annoyingly playful; "teasing and worrying with impish laughter"; "a wicked prank" [syn: arch, impish, implike, mischievous, pixilated, prankish, puckish, wicked]
adjective
Deliberately causing harm or damage; "mischievous rumors and falsehoods"

Definition of 'Mischievous'

From: GCIDE
  • Mischievous \Mis"chie*vous\ (m[i^]s"ch[-e]*v[u^]s), a. 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. [1913 Webster]
  • This false, wily, doubling disposition is intolerably mischievous to society. --South. [1913 Webster]
  • Syn: Harmful; hurtful; detrimental; noxious; pernicious; destructive. [1913 Webster] -- {Mis"chie*vous*ly}, adv. -- {Mis"chie*vous*ness}, n. [1913 Webster]

Words containing 'Mischievous'