D defs.my
Entry 1 sense Webster, 1913

Malpractice

/măl-prăk'-təs/ · Mal·prac·tice · IPA /mælprˈæktəs/
01 n. Evil practice; illegal or immoral conduct; practice contrary to established rules; specifically, the treatment of a case by a surgeon or ph…
  1. 1.
    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.