contumacious

adjective2

1. •
   Contemptuous of authority; willfully disobedient; rebellious.

   • In all places too are Dissident Priests; whom the Legislative will have to deal with: contumacious individuals, working on that angriest of passions; plotting, enlisting. — 1837
2. •
   Willfully disobedient to the summons or orders of a court.