Webster's Revised Unabridged Dictionary · 1913

Incurable

Incurable , adjective

[French incurable, Latin incurabilis. See In- not, and Curable.]

1.
Not capable of being cured; beyond the power of skill or medicine to remedy; as, an incurable disease.
A scirrhus is not absolutely incurable. — Arbuthnot
2.
Not admitting or capable of remedy or correction; irremediable; remediless; as, incurable evils.
Rancorous and incurable hostility. — Burke
They were laboring under a profound, and, as it might have seemed, an almost incurable ignorance. — Sir J. Stephen

Incurable , noun

A person diseased beyond cure.