Learn how to say Mischievously correctly in English with this tutorial pronunciation video.
Oxford dictionary definition of the word mischievous:
1causing or showing a fondness for causing trouble in a playful way:
a mischievous grin
2(of an action or statement) causing or intended to cause harm or trouble:
a mischievous allegation for which there is not a shred of evidence
Middle English: from Anglo-Norman French meschevous, from Old French meschever ‘come to an unfortunate end’ (see mischief). The early sense was ‘unfortunate or calamitous’, later ‘having harmful effects’; the sense ‘playfully troublesome’ dates from the late 17th century