criminal

adjective | \ ˈkri-mə-nəl \ | crim·i·nal
  1. : relating to, involving, or being a crime criminal neglect criminal conduct

  1. : relating to crime or its prosecution brought a criminal action criminal code — compare civil 4, penal

criminal

noun
  1. : one who has committed a crime

  1. : a person who has been convicted of a crime