Obstinate

Part of speech: adjective (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. Sir W. Temple. No ass so meek, no ass so obstinate. Pope. Of sense and outward things. Wordsworth.

2. Not yielding; not easily subdued or removed; as, obstinate fever; obstinate obstructions.

Synonyms: Stubborn; inflexible; immovable; firm; pertinacious; persistent; headstrong; opinionated; unyielding; refractory; contumacious. See Stubborn. Ob"sti*nate*ly, adv. Ob"sti*nate*ness, n.