| ceaseless(fixed, persistent, continuous, lasting, continuing) | |
| characteristic | |
| confined(mean, weak, down, ill, sick) | |
| confirmed(fixed, persistent, continuous, hardened, lasting) | |
| continual(fixed, persistent, continuous, lasting, continuing) | |
| continuing(fixed, persistent, continuous, hardened, lasting) | |
| continuous(fixed, persistent, lasting, continuing, remaining) | |
| contrary(tough, difficult, wild, awkward, obstinate) | |
| cranky | |
| debilitated(mean, weak, down, sick, feeble) | |
| decayed | |
| declining(mean, weak, down, ill, sick) | |
| decrepit | |
| deep-rooted(fixed, persistent, continuous, hardened, lasting) | |
| deep-seated(fixed, persistent, continuous, hardened, lasting) | |
| defective(mean, weak, down, ill, sick) | |
| delicate(mean, weak, down, ill, sick) | |
| desperation | |
| deteriorated | |
| difficult(tough, wild, awkward, obstinate, stubborn) |
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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> |