Extinction and Sleep

Extinction

Extinction noun - The state or fact of being rendered nonexistent, physically unsound, or useless.

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Sleep and extinction are semantically related. In some cases you can use "Sleep" instead a noun "Extinction".

Nearby Word: extinct

Sleep noun - A natural periodic loss of consciousness during which the body restores itself.

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Extinction and sleep are semantically related. Sometimes you can use "Extinction" instead a noun "Sleep".

human	human extinction	human sleep
old	old extinction	old sleep
natural	natural extinction	natural sleep
due	due extinction	due sleep
Other adjectives: actual, entire, apparent, less.

To avoid extinction, humanity throws its resources into a rushed evacuation program, which would take as many people as possible in cold sleep aboard the resultant starship 'Conestoga', and try to find a new world to colonise.

Source: Video Game / Outpost 2
It is implied that the sartan almost drove themselves to extinction because on one of the worlds they were bringing back everyone who died, so their brothers and sisters on the other worlds were dying in their sleep.

Source: Came Back Wrong

Cite this Source

Sleep and Extinction. (2016). Retrieved 2026, July 21, from https://thesaurus.plus/related/extinction/sleep

Extinction & Sleep. N.p., 2016. Web. 21 Jul. 2026. <https://thesaurus.plus/related/extinction/sleep>.

Sleep or Extinction. 2016. Accessed July 21, 2026. https://thesaurus.plus/related/extinction/sleep.

Google Ngram Viewer shows how "extinction" and "sleep" have occurred on timeline