Mischievous/ˈmɪstʃɪvəs/ Definition 1 of 2Pro Tip 1/3Playful Trouble Mischievous here means trouble is caused in fun, without serious harm. The kids had a mischievous glint in their eyes before the water balloon fight. Pro Tip 2/3Not Always Bad Mischievous behavior can be endearing and make people smile, not just annoy them. His mischievous wink made everyone in the room chuckle. Pro Tip 3/3Subtle Hints Body language, like a twinkle in the eye, often suggests mischievous intentions. She gave him a mischievous look before hiding his phone.