Perverse

jääräpäinen

(Obstinately in the wrong; stubborn; intractable; hence, wayward; vexing; contrary)

kieroutunut

(Turned aside; hence, specifically, turned away from the (morally) right; willfully erring; wicked; perverted)

perverssi

(Turned aside; hence, specifically, turned away from the (morally) right; willfully erring; wicked; perverted)

uppiniskainen

(Obstinately in the wrong; stubborn; intractable; hence, wayward; vexing; contrary)