Fatal
Fatal adjective - Bringing about ruin or misfortune.
Untreatable and fatal are semantically related. in final topic. In some cases you can use "Untreatable" instead an adjective "Fatal".
Untreatable
Fatal and untreatable are semantically related. You can use "Fatal" instead an adjective "Untreatable".
Mutual synonyms
Both words in one sentence
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Sacrificial Lion: Patricia Wilk, introduced early in the fifth season, spends several episodes in the hospital with various, non-fatal issues, before finally getting an untreatable, fatal infection from the most incompetent intern ever.
Source: Series / Scrubs -
Indulgent Fantasy Segue: A dark variant of this occurs when Nate is informed by a doctor that he has an untreatable yet potentially fatal medical condition.
Source: Series / Six Feet Under -
Nate in Six Feet Under is informed by a doctor that he has an untreatable yet potentially fatal medical condition.
Source: Indulgent Fantasy Segue
Cite this Source
Untreatable and Fatal. (2016). Retrieved 2026, August 02, from https://thesaurus.plus/related/fatal/untreatable
Fatal & Untreatable. N.p., 2016. Web. 02 Aug. 2026. <https://thesaurus.plus/related/fatal/untreatable>.
Untreatable or Fatal. 2016. Accessed August 02, 2026. https://thesaurus.plus/related/fatal/untreatable.
Google Ngram Viewer shows how "fatal" and "untreatable" have occurred on timeline