ex·tra·ter·res·tri·al
ˌek-strə-tə-ˈre-strē-əl 
-ˈres-chəl,
-ˈresh-chəl
: originating, existing, or occurring outside the earth or its atmosphere
extraterrestrial life
: a being from another world : an extraterrestrial being
Examples of extraterrestrial in a Sentence
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The Hill, 23 Apr. 2025
His work has appeared in publications including Science News, Science, Nature, and Scientific American.
exoplanets
extraterrestrial life
stars
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—Paul Smaglik, Discover Magazine, 17 Apr. 2025
Dana Rose Falcone, People.com, 4 Apr. 2025
The idea that we’re currently being visited by extraterrestrials is generally considered ludicrous, whether explicitly or implicitly, something truly extraordinary, and beyond serious consideration.
—David Chauvet, JSTOR Daily, 26 Mar. 2025
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Adjective
New discovery strongest evidence yet of life on another planet: Interview
Carl Zimmer, New York Times columnist and science writer, elaborates on new evidence that Cambridge University researchers discovered about potential extraterrestrial life.
—The Hill, 23 Apr. 2025
His work has appeared in publications including Science News, Science, Nature, and Scientific American.
exoplanets
extraterrestrial life
stars
1 free article left
Want More?
—Paul Smaglik, Discover Magazine, 17 Apr. 2025
Noun
There are bad actors and there are bad plans, but a conspiracy to hide the existence of extraterrestrials and stuff like that?
—Dana Rose Falcone, People.com, 4 Apr. 2025
The idea that we’re currently being visited by extraterrestrials is generally considered ludicrous, whether explicitly or implicitly, something truly extraordinary, and beyond serious consideration.
—David Chauvet, JSTOR Daily, 26 Mar. 2025
See All Example Sentences for extraterrestrial
Cite this Entry
“Extraterrestrial.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/extraterrestrial. Accessed 4 May. 2025.
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