MISCHIEVOUS
mischievous
(adjective) deliberately causing harm or damage; “mischievous rumors and falsehoods”
arch, impish, implike, mischievous, pixilated, prankish, puckish, wicked
(adjective) naughtily or annoyingly playful; “teasing and worrying with impish laughter”; “a wicked prank”
Source: WordNet® 3.1
Etymology
Adjective
mischievous (comparative more mischievous, superlative most mischievous)
Causing mischief; injurious.
Troublesome, cheeky, badly behaved.
Usage notes
The spelling "misch(i)evious" and similar ones can be found since the 16th century, so the corresponding pronunciation is at least as old. But despite being common in a wide range of social classes today, these spellings and the corresponding pronunciation are still considered nonstandard and often viewed as incorrect.
Synonyms
• (causing mischief): harmful, hurtful, detrimental, noxious, pernicious, destructive; see also harmful
• (badly-behaved): badly-behaved, naughty
Anagrams
• mischevious
Source: Wiktionary
Mis"chie*vous, a.
Definition: 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.
Source: Webster’s Unabridged Dictionary 1913 Edition