Definitions from Wiktionary ( )

▸ noun:  (uncountable) Conduct that playfully causes petty annoyance.
▸ noun:  (countable) A playfully annoying action.
▸ noun:  (collective) A group or a pack of rats.
▸ noun:  (archaic) Harm or injury:
▸ noun:  (uncountable) Harm or trouble caused by an agent or brought about by a particular cause.
▸ noun:  (countable) An injury or an instance of harm or trouble caused by a person or other agent or cause.
▸ noun:  (law) A criminal offence defined in various ways in various jurisdictions, sometimes including causing damage to another's property.
▸ noun:  (archaic, countable) A cause or agent of annoyance, harm or injury, especially a person who causes mischief.
▸ noun:  (euphemistic) The Devil; used as an expletive.
▸ noun:  (Australia) Casual and/or flirtatious sexual acts.
▸ verb:  (transitive, obsolete) To do a mischief to; to harm.
▸ verb:  (transitive, obsolete) To slander.

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