Deadly
Deadly adjective - Likely to cause or capable of causing death.
Untreatable and deadly are semantically related. in terminal topic. In some cases you can use "Untreatable" instead an adjective "Deadly".
Nearby Word: dead
Untreatable
Deadly and untreatable are semantically related. You can use "Deadly" instead an adjective "Untreatable".
Both words in one sentence
- Nightmare Fuel: The threat of widespread, untreatable, and deadly epidemics is this to James Nichols, who openly admits that he has had nightmares about pneumonic plague since the Ring of Fire.
Source: Literature / 1632
Cite this Source
Untreatable and Deadly. (2016). Retrieved 2026, August 02, from https://thesaurus.plus/related/deadly/untreatable
Deadly & Untreatable. N.p., 2016. Web. 02 Aug. 2026. <https://thesaurus.plus/related/deadly/untreatable>.
Untreatable or Deadly. 2016. Accessed August 02, 2026. https://thesaurus.plus/related/deadly/untreatable.
Google Ngram Viewer shows how "deadly" and "untreatable" have occurred on timeline