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