What is the meaning of Mischief?

Conduct that playfully causes petty annoyance.

A playfully annoying action.

A group or a pack of rats.

Harm or injury:

  1. Harm or trouble caused by an agent or brought about by a particular cause.

    Harm or trouble caused by an agent or brought about by a particular cause.

    An injury or an instance of harm or trouble caused by a person or other agent or cause.

    A criminal offence defined in various ways in various jurisdictions, sometimes including causing damage to another's property.

    A cause or agent of annoyance, harm or injury, especially a person who causes mischief.

    The Devil; used as an expletive.

    Casual and/or flirtatious sexual acts.

    To do a mischief to; to harm.

    To slander.

    Alternative form of myschef

    Source: wiktionary.org