Mischief
Definition 1 of 4
Pro Tip 1/3
Intent Matters
Mischief implies intentional action, not accidental harm or trouble. He replaced her shampoo with paint, clearly intending mischief.
Pro Tip 2/3
Playful Tone
Sometimes 'mischief' indicates playful behavior, not meant to be truly harmful. The kittens' mischief involved stealing socks from the laundry hamper.
Pro Tip 3/3
Not Always Serious
'Mischief' often refers to minor harm, so it's not usually used for serious offenses. The teenagers' mischief caused the neighbors some annoyance but nothing serious.