mischief (mis-ch<<schwa>>f).1. A condition in which a person suffers a wrong or is under some hardship, esp. one that a statute seeks to remove or for which equity provides a remedy <this legislation seeks to eliminate the mischief of racially restrictive deed covenants>.2. Injury or damage caused by a specific person or thing <the vandals were convicted of criminal mischief>.3.

The act causing such injury or damage <their mischief damaged the abbey>.

[Blacks Law 8th]