perverse (adj.)

1.not tractable; difficult to manage or mold"an intractable disposition" "intractable pain" "the most intractable issue of our era" "intractable metal"

2.marked by immorality; deviating from what is considered right or proper or good"depraved criminals" "a perverted sense of loyalty" "the reprobate conduct of a gambling aristocrat"

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

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