obstinate

a. [ L. obstinatus, p. p. of obstinare to set about a thing with firmness, to persist in; ob (see Ob-) + a word from the root of stare to stand. See Stand, and cf. Destine. ] 1. Pertinaciously adhering to an opinion, purpose, or course; persistent; not yielding to reason, arguments, or other means; stubborn; pertinacious; -- usually implying unreasonableness. [ 1913 Webster ]

I have known great cures done by obstinate resolution of drinking no wine. Sir W. Temple. [ 1913 Webster ]

No ass so meek, no ass so obstinate. Pope. [ 1913 Webster ]

Of sense and outward things. Wordsworth. [ 1913 Webster ]

2. Not yielding; not easily subdued or removed; as, obstinate fever; obstinate obstructions. [ 1913 Webster ]

Syn. -- Stubborn; inflexible; immovable; firm; pertinacious; persistent; headstrong; opinionated; unyielding; refractory; contumacious. See Stubborn. [ 1913 Webster ]

-- Ob"sti*nate*ly, adv. -- Ob"sti*nate*ness, n. [ 1913 Webster ]