mischief
noun
mis·chief
| \ ˈmis-chəf
, ˈmish-\
, ˈmish-\
Definition of mischief
1
: a specific injury or damage attributed to a particular agent
the polished floor … often causes mischiefs — bruises, sprains, dislocations— Herbert Spencer
2
: a cause or source of harm, evil, or irritation
especially
: a person who causes mischief
He's a real mischief to his family.
3a
: action that annoys or irritates
Halloween mischiefs
b
: the quality or state of being mischievous : mischievousness
had mischief in his eyes