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
Mrigakshi Dixit, Interesting Engineering, 12 Feb. 2026
The owner of the offending Bin Ladin-esque wall earned the money to build said wall thanks to an apparently successful series of books combining New Age quackery and extraterrestrial quackery.
—Daniel Fienberg, HollywoodReporter, 11 Feb. 2026
Brian Truitt, USA Today, 13 Feb. 2026
Von Däniken argued that extraterrestrials must have visited Earth to lend a hand with various prehistoric undertakings—the Pyramids, the massive stone carvings of Easter Island, the Nazca Lines.
—Margaret Talbot, New Yorker, 26 Jan. 2026
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Adjective
Microbes could be the future space miners, helping humans survive on long-term missions by extracting mineral resources from extraterrestrial rocks.
—Mrigakshi Dixit, Interesting Engineering, 12 Feb. 2026
The owner of the offending Bin Ladin-esque wall earned the money to build said wall thanks to an apparently successful series of books combining New Age quackery and extraterrestrial quackery.
—Daniel Fienberg, HollywoodReporter, 11 Feb. 2026
Noun
The terror is real, y'all, and the killer extraterrestrial goes perfectly with the galactic claustrophobia.
—Brian Truitt, USA Today, 13 Feb. 2026
Von Däniken argued that extraterrestrials must have visited Earth to lend a hand with various prehistoric undertakings—the Pyramids, the massive stone carvings of Easter Island, the Nazca Lines.
—Margaret Talbot, New Yorker, 26 Jan. 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 16 Feb. 2026.
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