Webster's Revised Unabridged Dictionary · 1913

Obstinate

Obstinate , adjective

[Latin obstinatus, past participle 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 compare Destine.]

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.