/ˈmɪstʃɪf/
mis·chief
BrE /ˈmɪstʃɪf/
NAmE /ˈmɪstʃɪf/
[U]
bad behaviour (especially of children) that is annoying but does not cause any serious damage or harm
Those children are always getting into mischief.
I try to keep out of mischief.
It’s very quiet upstairs; they must be up to some mischief!
the wish or tendency to behave or play in a way that causes trouble
Her eyes were full of mischief.
(formal)
harm or injury that is done to sb or to their reputation
The incident caused a great deal of political mischief.
ˌdo yourself a ˈmischief
(BrE, informal)
to hurt yourself physically
Watch how you use those scissors—you could do yourself a mischief!
make ˈmischief
to do or say sth deliberately to upset other people, or cause trouble between them