Extinct
Extinct adjective - No longer existing.
Usage example: a few overgrown ruins are all that remain of that once mighty but now extinct civilization
Fallen and extinct are semantically related. in dead topic. In some cases you can use "Fallen" instead an adjective "Extinct".
Nearby Word: extinction
Mutual synonyms
Both words in one sentence
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Not coincidentally, demographers expect the number of Parsees to have fallen below 25,000 by 2020 and probably become extinct by the end of the century.
Source: Useful Notes / Zoroastrianism -
The Ay (prehistoric wolves) in the Malazan Book of the Fallen — and Undead to boot, as they've been extinct for about 320,000 years, when the T'lan Imass decided to include them in the Ritual of Tellann, which made the Imass undead.
Source: Canis Major
Cite this Source
Fallen and Extinct. (2016). Retrieved 2026, August 16, from https://thesaurus.plus/related/extinct/fallen
Extinct & Fallen. N.p., 2016. Web. 16 Aug. 2026. <https://thesaurus.plus/related/extinct/fallen>.
Fallen or Extinct. 2016. Accessed August 16, 2026. https://thesaurus.plus/related/extinct/fallen.
Google Ngram Viewer shows how "extinct" and "fallen" have occurred on timeline