1. playful or minor troublesome behavior, especially by children
2. harm or damage caused by someone or something
3. a person, especially a child, who behaves in a playfully troublesome way

Examples

• The children got into mischief while their parents were away.
• She had a mischievous smile that suggested she was up to some mischief.
• The storm caused considerable mischief to the power lines.
• That little mischief is always playing pranks on his sister.
• The teacher warned the students not to get into any mischief during recess.
• The cat’s mischief included knocking plants off the windowsill.
• He’s such a mischief, always making everyone laugh with his silly jokes.