mischief
mis.chief \'mis(h)-ch*f\ n [ME meschief, fr. OF, calamity, fr. mes- + chief head, end m more at CHIEF 1: injury or damage caused by a human agency 2: a cause or source of harm, evil, or irritation; esp : a person w ho causes mischief 3a: action that annoys or irritates 3b: MISCHIEVOUSNESS