mischief

mischief is a Noun

Definition:

[1] Harm; damage; esp., disarrangement of order; trouble or vexation caused by human agency or by some living being, intentionally or not; often, calamity, mishap; trivial evil caused by thoughtlessness, or in sport. Chaucer. Thy tongue deviseth mischiefs. Ps. lii. 2. The practice whereof shall, I hope, secure me from many mischiefs. Fuller.

[2] Cause of trouble or vexation; trouble. Milton. The mischief was, these allies would never allow that the common enemy was subdued. Swift. To be in mischief, to be doing harm or causing annoyance. -- To make mischief, to do mischief, especially by exciting quarrels. -- To play the mischief, to cause great harm; to throw into confusion. [Colloq.]