Obstinate /(?)/

Ob·sti·nate

Obstinate

a.
  1. Pertinaciously adhering to an opinion, purpose, or course; persistent; not yielding to reason, arguments, or other means; stubborn; pertinacious; -- usually implying unreasonableness.
    I have known great cures done by obstinate resolution of drinking no wine.
    No ass so meek, no ass so obstinate.
    Of sense and outward things.
  2. Not yielding; not easily subdued or removed; as, obstinate fever; obstinate obstructions.