Fatal
Fatal adjective - Likely to cause or capable of causing death.
Usage example: that snake's venom is fatal unless the victim is given the antidote almost immediately
Terminal is a synonym for fatal in final topic. In some cases you can use "Terminal" instead an adjective "Fatal", when it comes to topics like deadly, lethal. popular alternative
Mutual synonyms
Both words in one sentence
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Must have something to do with being a cat (be it landing on their feet, having nine lives, or their fatal velocity being higher than their terminal velocity).
Source: Disney / Cinderella -
Soap Opera Disease: The V-Type Infection, which is fatal and extremely hard to detect before it becomes terminal, and a person can carry it for years before that happens.
Source: Anime / Macross Frontier -
The plane barely has enough fuel to make it to LAX, but without reverse thrusters, it crashes into a terminal, not fatal for the survivors, but that likely means it's no longer suitable for flying.
Source: Darkest Hour
Cite this Source
Terminal and Fatal. (2016). Retrieved 2026, July 21, from https://thesaurus.plus/related/fatal/terminal
Fatal & Terminal. N.p., 2016. Web. 21 Jul. 2026. <https://thesaurus.plus/related/fatal/terminal>.
Terminal or Fatal. 2016. Accessed July 21, 2026. https://thesaurus.plus/related/fatal/terminal.
Google Ngram Viewer shows how "fatal" and "terminal" have occurred on timeline