perverse

adj.
marked by a disposition to oppose and contradict
took perverse satisfaction in foiling her plans
adj.
resistant to guidance or discipline
Mary Mary quite contrary|an obstinate child with a violent temper|a perverse mood|wayward behavior
adj.
deviating from what is considered moral or right or proper or good
depraved criminals|a perverted sense of loyalty|the reprobate conduct of a gambling aristocrat