3
fixed(persistent, continuous, hardened, lasting, continuing)
3
inoperable(adjective, unchangeable, terminal, irreversible, irreparable)
3
intractable(adjective, difficult, persistent, obstinate, stubborn)
3
irreversible
3
shut-in(noun, invalid, patient, sufferer)
3
sick person(noun, expression, idiom, invalid, patient)
2
beyond remedy(expression, idiom, hopelessness)
2
constant(fixed, persistent, continuous, lasting, continuing)
2
consumptive(noun, invalid, patient)
2
deadly
2
gone
2
ineradicable(fixed, persistent, continuous, hardened, lasting)
2
inflexible(adjective, obstinate, stubborn, willful)
2
invariable
2
irreclaimable
2
irreformable
2
irrevocable
2
lethal
2
lost
2
relentless
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APASmart Define. (2015). incurable thesaurus. Retrieved September 21, 2026, from https://smartdefine.org/incurable/thesaurus/synonyms
ChicagoSmart Define. 2015. "incurable thesaurus" https://smartdefine.org/incurable/thesaurus/synonyms (accessed September 21, 2026).
HarvardSmart Define 2015, incurable thesaurus, Smart Define, viewed 21 September, 2026, <https://smartdefine.org/incurable/thesaurus/synonyms>.
MLASmart Define. "incurable thesaurus" 13 April 2015. Web. 21 September 2026. <https://smartdefine.org/incurable/thesaurus/synonyms>