perverse

Universal Words adjective showing deliberate determination to behave in a way that most people think is wrong, unacceptable or unreasonable: a perverse decision / judgement / result (= one that most people do not expect and think is wrong) * She finds a perverse pleasure in upsetting her parents. * Do you really mean that or are you just being deliberately perverse? * For some perverse reason he is refusing to see a doctor. * It would be perverse to quit now that we're almost finished. perversely adverb: She seemed perversely proud of her criminal record. * He couldn't bear to be near her, yet, perversely, he still found himself looking out for her. perversity noun [U]: He refused to attend out of sheer perversity.