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
Recent Examples on the Web
Sarah Lewin Frasier, Scientific American, 10 Apr. 2026
If Dru’s words were correct and ticket buyers were starved for extraterrestrial glamour, then Monroe fit the bill and then some.
—Joshua John Miller, Vanity Fair, 9 Apr. 2026
Ilana Kaplan, PEOPLE, 10 Apr. 2026
Loeb, director of the Institute for Theory & Computation at Harvard and head of the university's Galileo Project for the Systematic Scientific Search for Evidence of Extraterrestrial Technological Artifacts, believes in the likely existence of extraterrestrials.
—ABC News, 4 Apr. 2026
See All Example Sentences for extraterrestrial
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Adjective
Scientific American caught up with Corey—actually writers Daniel Abraham and Ty Franck—to ponder frighteningly realistic extraterrestrial invasions, changing concepts of personhood, weird alien societies and the terror of tenure-track research.
—Sarah Lewin Frasier, Scientific American, 10 Apr. 2026
If Dru’s words were correct and ticket buyers were starved for extraterrestrial glamour, then Monroe fit the bill and then some.
—Joshua John Miller, Vanity Fair, 9 Apr. 2026
Noun
In a 2017 interview with PEOPLE, DeLonge opened up about the show and how To the Stars Academy was an effort to give people transparency about extraterrestrials.
—Ilana Kaplan, PEOPLE, 10 Apr. 2026
Loeb, director of the Institute for Theory & Computation at Harvard and head of the university's Galileo Project for the Systematic Scientific Search for Evidence of Extraterrestrial Technological Artifacts, believes in the likely existence of extraterrestrials.
—ABC News, 4 Apr. 2026
See All Example Sentences for extraterrestrial
Cite this Entry
“Extraterrestrial.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/extraterrestrial. Accessed 15 Apr. 2026.
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