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
Aamir Khollam, Interesting Engineering, 9 Jan. 2026
But a new study has cast doubt on the idea that the intriguing world shrouded in ice could indeed harbor extraterrestrial life deep in its vast ocean of liquid saltwater.
—Eric Lagatta, USA Today, 8 Jan. 2026
Andreas Wiseman, Deadline, 1 Jan. 2026
Tasked with working alongside physicist Ian Donnelly (Jeremy Renner) to translate what the extraterrestrials — referred to as heptapods — are after, Louise begins to bond with and understand Earth’s visitors.
—Ilana Gordon, Entertainment Weekly, 29 Dec. 2025
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Adjective
Using these simulants, the team has tested hundreds of wheel designs to optimize performance on extraterrestrial terrain.
—Aamir Khollam, Interesting Engineering, 9 Jan. 2026
But a new study has cast doubt on the idea that the intriguing world shrouded in ice could indeed harbor extraterrestrial life deep in its vast ocean of liquid saltwater.
—Eric Lagatta, USA Today, 8 Jan. 2026
Noun
The drama takes its cue from the arrival of extraterrestrials in a remote village near Korea’s DMZ.
—Andreas Wiseman, Deadline, 1 Jan. 2026
Tasked with working alongside physicist Ian Donnelly (Jeremy Renner) to translate what the extraterrestrials — referred to as heptapods — are after, Louise begins to bond with and understand Earth’s visitors.
—Ilana Gordon, Entertainment Weekly, 29 Dec. 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 17 Jan. 2026.
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