malpractice

noun (n)

1. professional wrongdoing that results in injury or damage (noun.act)

   The widow sued his surgeon for malpractice

   Sumber: wordnet30

2. a wrongful act that the actor had no right to do; improper professional conduct (noun.act)

   He charged them with electoral malpractices

   Sumber: wordnet30

3. Evil practice; illegal or immoral conduct; practice contrary to established rules; specifically, the treatment of a case by a surgeon or physician in a manner which is contrary to accepted rules and productive of unfavorable results. (noun)

   Sumber: webster1913