OB'STINATE, adjective [Latin obstinatus.] 1. Stubborn; pertinaciously adhering to an opinion or purpose; fixed firmly in resolution; not yielding to reason, arguments or other means. I have known great cures done by obstinate resolutions of drinking no wine. No ass so meek, no ass os obstinate 2. Not yielding or not easily subdued or removed; as an obstinate fever; obstinate obstructions; an obstinate cough.
Source: Webster's 1828 American Dictionary ↗ · public-domain · returned verbatim, no AI