mischief

Behavior that causes annoyance or difficulty:

Damage, destruction, or injury caused by a specific person or thing.

A specific injury or harm done.

The inclination or tendency to play pranks or get into trouble.

To hurt; harm; ruin.

To come to harm or misfortune; miscarry.

A harmful or troublesome event, circumstance, or contingency; an action or occurrence attended with evil or vexation; an annoying, frustrating, or hurtful state or condition of things; misfortune; calamity: used with much latitude of application: as, some one is making mischief; the mischief is that he cannot keep his temper.

The act, state, course, or disposition of causing annoyance, trouble, or harm; vexatious or injurious operation or tendency; the working of damage or disaster: as, the clouds bode mischief; what mischief is he up to now? often used in a kindly or playful sense, or for affectionate excuse: as, the lad is full of mischief, but not vicious.

One who or that which does harm or causes injury or vexation; a source of trouble or annoyance: as, that child is a mischief.