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
ArsTechnica, 13 July 2025
The main character of an upcoming DC Universe movie, Kara is the extraterrestrial cousin to Superman, rightful owner of the wily super-dog Krypto — and, as the Man of Steel and his robot friend Four (voiced by Alan Tudyk) establish, a party animal.
—Jack Smart, People.com, 11 July 2025
Amy Nicholson, Los Angeles Times, 18 June 2025
Elio’s desire to be abducted by aliens, a reaction to his miserable loneliness on Earth, leads him to send a message via a satellite at his aunt’s base to the stars pleading for extraterrestrials to come abduct him.
—Wilson Chapman, IndieWire, 17 June 2025
See All Example Sentences for extraterrestrial
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Adjective
Feldman was intrigued by the prospect of making extraterrestrial contact via information: specifically, alien instructions on how to build an instrument that could talk to terrestrial humans.
—ArsTechnica, 13 July 2025
The main character of an upcoming DC Universe movie, Kara is the extraterrestrial cousin to Superman, rightful owner of the wily super-dog Krypto — and, as the Man of Steel and his robot friend Four (voiced by Alan Tudyk) establish, a party animal.
—Jack Smart, People.com, 11 July 2025
Noun
Multiple extraterrestrials appear inspired by a lava lamp.
—Amy Nicholson, Los Angeles Times, 18 June 2025
Elio’s desire to be abducted by aliens, a reaction to his miserable loneliness on Earth, leads him to send a message via a satellite at his aunt’s base to the stars pleading for extraterrestrials to come abduct him.
—Wilson Chapman, IndieWire, 17 June 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 21 Jul. 2025.
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