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