Ŏb'sti-nate, a.
a. [Lat. obstinatus, p. p. of obstinare, to set about a thing with firmness, to persist in, a lengthened form of obstare, to stand before; Fr. obstiné, Pr. obstinat, Sp. obstinado, It. ostinato.]
Sense 1. Pertinaciously adhering to an opinion or purpose; fixed firmly in resolution; not yielding to reason, arguments, or other means; stubborn; pertinacious; — usually in a bad sense, implying unreasonableness.
I have known great cures done by obstinate resolutions of drinking no wine. Temple.
No ass so meek, no ass so obstinate. Pope.
Sense 2. Not yielding, or not easily subdued or removed; as, an obstinate fever; obstinate obstructions; an obstinate cough.
Synonyms—Stubborn; inflexible; immovable; firm; resolute; pertinacious; headstrong; heady; opinionated; refractory; perverse; contumacious. See STUBBORN.