13
irreparable(adjective, hope, persistent, hopeless, pessimistic)
12
hopeless(adjective, disease, hope, persistent, broken)
12
irremediable(adjective, hope, hopeless, broken, hopelessness)
8
incorrigible(adjective, bad, hopeless, hopelessness, intrinsicality)
6
cureless(adjective, hope, hopelessness)
6
terminal(adjective, deadly, final, fatal, mortal)
5
fatal(adjective, deadly, lethal)
5
impossible
5
inveterate(adjective, fixed, persistent, established, hardened)
5
irredeemable(adjective, hopelessness)
4
habitual(adjective, fixed, persistent, hardened, lasting)
4
immedicable
4
invalid(noun, person, mean, weak, sick)
4
irrecoverable(adjective, hopelessness)
4
irretrievable(adjective, hopelessness)
4
remediless
4
inalterable
4
patient(noun, invalid)
3
sufferer(noun, invalid, patient)
3
chronic(adjective, fixed, persistent, hardened, lasting)
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APASmart Define. (2015). incurable thesaurus. Retrieved September 20, 2026, from https://smartdefine.org/incurable/thesaurus/synonyms
ChicagoSmart Define. 2015. "incurable thesaurus" https://smartdefine.org/incurable/thesaurus/synonyms (accessed September 20, 2026).
HarvardSmart Define 2015, incurable thesaurus, Smart Define, viewed 20 September, 2026, <https://smartdefine.org/incurable/thesaurus/synonyms>.
MLASmart Define. "incurable thesaurus" 13 April 2015. Web. 20 September 2026. <https://smartdefine.org/incurable/thesaurus/synonyms>