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
Andreas Wiseman, Deadline, 11 Feb. 2025
Kardashev developed his scale as part of a broader exploration of what extraterrestrial supercivilizations might look like—civilizations not unlike what in some appraisals the Soviet Union aspired to become, with its spacefaring ambitions, imperial reach and technological might.
—Rebecca Charbonneau, Scientific American, 6 Feb. 2025
Sydney Borchers, Fox News, 9 Sep. 2024
The records are a time capsule of life on Earth in 1977, designed to tell extraterrestrials about the people, cultures and nature on our planet.
—Riley Beggin, USA TODAY, 31 Dec. 2024
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Adjective
In the fragile society that remains, humans have learned to coexist with their extraterrestrial invaders.
—Andreas Wiseman, Deadline, 11 Feb. 2025
Kardashev developed his scale as part of a broader exploration of what extraterrestrial supercivilizations might look like—civilizations not unlike what in some appraisals the Soviet Union aspired to become, with its spacefaring ambitions, imperial reach and technological might.
—Rebecca Charbonneau, Scientific American, 6 Feb. 2025
Noun
The mazes appear to have people trying to figure out how the intricate designs are laid out, while others are jumping to the conclusion that extraterrestrials are now Swift fans.
—Sydney Borchers, Fox News, 9 Sep. 2024
The records are a time capsule of life on Earth in 1977, designed to tell extraterrestrials about the people, cultures and nature on our planet.
—Riley Beggin, USA TODAY, 31 Dec. 2024
See all Example Sentences for extraterrestrial
Dictionary Entries Near extraterrestrial
Cite this Entry
“Extraterrestrial.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/extraterrestrial. Accessed 20 Feb. 2025.
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