Extinct
Extinct adjective - No longer existing.
Forgotten and extinct are semantically related. In some cases you can use "Forgotten" instead an adjective "Extinct".
Nearby Word: extinction
Forgotten
Forgotten adjective - Left unoccupied or unused.
Mutual synonyms
Both words in one sentence
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While their original worshippers, the "Children of the Forest", have been extinct for centuries, the Faith is still very strong in the North of Westeros, but forgotten everywhere else.
Source: Fantasy Pantheon - Wizards of the Coast have never committed any one backstory to canon, but most of them are variations of an extinct civilization conjuring a destroyer through forgotten magic.
Source: Generic Doomsday Villain -
After one brief moment of joyful reunion he learns that his species is extinct and utterly forgotten: there's no news of the eggs he gave to human allies for safekeeping.
Source: Western Animation / Gargoyles
Cite this Source
Forgotten and Extinct. (2016). Retrieved 2026, August 15, from https://thesaurus.plus/related/extinct/forgotten
Extinct & Forgotten. N.p., 2016. Web. 15 Aug. 2026. <https://thesaurus.plus/related/extinct/forgotten>.
Forgotten or Extinct. 2016. Accessed August 15, 2026. https://thesaurus.plus/related/extinct/forgotten.
Google Ngram Viewer shows how "extinct" and "forgotten" have occurred on timeline