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
Jeff Spry, Space.com, 17 May 2025
The aliens later revealed to Addison that her grandma was an alien, making her part extraterrestrial.
—Caroline Blair, People.com, 9 May 2025
Eric Lagatta, USA Today, 23 Apr. 2025
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
See All Example Sentences for extraterrestrial
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Adjective
Expect more extraterrestrial viruses, gobs of green goo, pugnacious parasites, ailing hybrid creatures, and the controversial prospect of a new mind control therapy.
—Jeff Spry, Space.com, 17 May 2025
The aliens later revealed to Addison that her grandma was an alien, making her part extraterrestrial.
—Caroline Blair, People.com, 9 May 2025
Noun
Search for extraterrestrials: Could alien life thrive on K2-18b?
—Eric Lagatta, USA Today, 23 Apr. 2025
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
See All Example Sentences for extraterrestrial
Cite this Entry
“Extraterrestrial.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/extraterrestrial. Accessed 24 May. 2025.
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