#1 mischievousness n. [naughtiness, badness] an attribute of mischievous children. wn
#2 mischievousness n. [impishness, puckishness, whimsicality] the trait of behaving like an imp. wn
#3 mischievousness n. [mischief, mischief-making, deviltry, devilry, devilment, rascality, roguery, roguishness, shenanigan] reckless or malicious behavior that causes discomfort or annoyance in others. wn
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