perverse

marked by a disposition to oppose and contradict; "took perverse satisfaction in foiling her plans"

resistant to guidance or discipline; "Mary Mary quite contrary"; "an obstinate child with a violent temper"; "a perverse mood"; "wayward behavior"

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"