Extinct
Extinct adjective - No longer existing.
Non-existent and extinct are semantically related In some cases you can use "Non-existent" instead an adjective "Extinct".
Nearby Word: extinction
Non-existent
Extinct and non-existent are semantically related in fictional topic. Sometimes you can use "Extinct" instead an adjective phrase "Non-existent", if it concerns topics such as no longer operating as a business.
Mutual synonyms
Related pairs
Both words in one sentence
- Furthermore, while evidence of extinct alien races have been discovered, still-living sapient races seem to be extremely rare, and technically advanced ones non-existent.
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Also leads to a very large bit of Fridge Logic, every Ocampa female can only conceive once, and multiples births seem to be rare to non-existent... so if every female Ocampa can only produce one child in their entire life... how is the species not extinct already?
Source: Bizarre Alien Reproduction
Cite this Source
Non-existent and Extinct. (2016). Retrieved 2026, August 03, from https://thesaurus.plus/related/extinct/non-existent
Extinct & Non-existent. N.p., 2016. Web. 03 Aug. 2026. <https://thesaurus.plus/related/extinct/non-existent>.
Non-existent or Extinct. 2016. Accessed August 03, 2026. https://thesaurus.plus/related/extinct/non-existent.