Reckless or malicious behavior that causes discomfort or annoyance in others

• The trait of behaving like an imp
• She's beginning to suspect vicious men affected rascal's behaviour
• An attribute of mischievous children

Wiktionary Word definitions in Wiktionary
n. The characteristic of being mischievous; the tendency to make mischief.

WordNet Word definitions in WordNet
n. an attribute of mischievous children [syn: naughtiness , badness ] the trait of behaving like an imp [syn: impishness , puckishness , whimsicality ] reckless or malicious behavior that causes discomfort or annoyance in others [syn: mischief , mischief-making ...

The Collaborative International Dictionary Word definitions in The Collaborative International Dictionary
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. This false, wily, doubling ...