1. deviltry(n = noun.act) devilry - wicked and cruel behavior;
is a kind of evil, immorality, iniquity, wickedness
2. deviltry(n = noun.act) devilment, devilry, mischief, mischief-making, mischievousness, rascality, roguery, roguishness, shenanigan - reckless or malicious behavior that causes discomfort or annoyance in others;
is a kind of misbehavior, misbehaviour, misdeed
has particulars: blaze, hell, monkey business, hooliganism, malicious mischief, vandalism
Derived form verb devil1