Causing harm; exciting enmity or quarrels.(adjective)
Gnu Collaboartive International Dictionary of English: licensed under The Code Project Open License (CPOL)
Use "mischief-making" in a sentence
"To call it mischief-making is perhaps unfair, since his admirers seem sincere."
"Not only does she run a household chock full of mischief-making Weasley wizards in training, but in the course of Harry Potter and the Deathly Hallows, she mothers her kids and their friends, hides and organizes activists, and hosts a lovely backyard wedding."
"The potential for sceptics to obsess over slight differences increases the volume of mischief-making exponentially."