| Noun | 1. | mischievousness - an attribute of mischievous childrendisobedience - the trait of being unwilling to obey |
| 2. | mischievousness - the trait of behaving like an imp playfulness, fun - a disposition to find (or make) causes for amusement; "her playfulness surprised me"; "he was fun to be with" | |
| 3. | mischievousness - reckless or malicious behavior that causes discomfort or annoyance in othersdevilment, mischief, mischief-making, roguery, shenanigan, roguishness, devilry, deviltry, rascality monkey business - mischievous or deceitful behavior hooliganism, malicious mischief, vandalism - willful wanton and malicious destruction of the property of others |