Unalterable is a related term of incurable.
As adjectives the difference between unalterable and incurable
is that unalterable
is incapable of changing or being altered while incurable
is of an illness, condition, etc, that is unable to be cured; healless.
As a noun incurable is
one who cannot be cured.
incapable of changing or being altered
irrevocable or irreversible
Of an illness, condition, etc, that is unable to be cured; healless.
* Sir J. Stephen
- They were labouring under a profound, and, as it might have seemed, an almost incurable ignorance.
* incurable romantic
One who cannot be cured.