mischievousness > define

noun

• An attribute of mischievous children.
  • synonyms: naughtiness, badness
• The trait of behaving like an imp.
  • synonyms: impishness, puckishness, whimsicality
• Reckless or malicious behavior that causes discomfort or annoyance in others.
  • synonyms: mischief, mischief-making, deviltry, devilry, devilment, rascality, roguery, roguishness, shenanigan