A wicked act or wicked behavior:
crime, deviltry, evil, evildoing, immorality, iniquity, misdeed, offense, peccancy, sin, wickedness, wrong, wrongdoing. See rightAnnoying yet harmless, usually playful acts:
devilry, deviltry, high jinks, impishness, mischief, mischievousness, prankishness, rascality, roguery, roguishness, tomfoolery. (Informal) shenanigan (often used in plural). See goodLearn more about diablerie