Definition of "incurable"

incurable

/ˌɪnˈkjʊəɹəbl/

adjective
not comparable
1. Of an illness, condition, etc, that is unable to be cured; healless.
  Quotations
  They were labouring under a profound, and, as it might have seemed, an almost incurable ignorance.
  1854, James Stephen, On Desultory and Systematic Reading
2. (figuratively) Irremediable, incorrigible.
noun
plural incurables
1. One who cannot be cured.