DictionarymischiefTrouble or harm
noun

mischief

MIS-chif/ˈmɪstʃɪf/

Trouble or harm caused by playful or badly behaved actions.

The squirting-flower prank is a bit of playful mischief.

An older woman plays a harmless squirting-flower prank on a middle-aged man: she mischievously squeezes the concealed bulb while a small jet of water from her lapel flower splashes his nose.
Etymology

The image is of events “coming to a head” badly: first misfortune, then harm caused by someone. The meaning later softened to playful wrongdoing or minor troublemaking.

In context

PeriscopeFilm17:06
Miss Baker could have us take a crime report on you for malicious mischief for removing her door.
" LANDLORD - TENANT DISPUTES AND THE POLICE " 1970s POLICE & LAW ENFORCEMENT TRAINING FILM XD39844

More examples

  • The children got into mischief.
  • His interference caused real mischief.
  • She noticed a hint of mischief in his smile.

Forms

mischief

mischievous adjective — inclined to playful troublemaking

Similar words

naughtiness
Usually mild disobedience rather than actual harm.
troublemaking
Can be deliberate and more serious.