Synonyms: mischievous
Definition: deliberately causing harm or damage
Usage: mischievous rumors and falsehoods
Similar words: harmful
Definition: causing or capable of causing harm
Usage: too much sun is harmful to the skin; harmful effects of smoking
Synonyms: wicked, arch, mischievous, puckish, pixilated, prankish, impish, implike
Definition: naughtily or annoyingly playful
Usage: teasing and worrying with impish laughter; a wicked prank
Similar words: playful
Definition: full of fun and high spirits
Usage: playful children just let loose from school