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
Nick Caruso, TVLine, 21 June 2025
Overhearing a musical motif that’s been picked up by a satellite, and which a base employee thinks might be an extraterrestrial howdy-do, Elio sneaks in to communications room and sends a message.
—David Fear, Rolling Stone, 19 June 2025
Joey Nolfi Published, EW.com, 12 May 2025
Search for extraterrestrials: Could alien life thrive on K2-18b?
—Eric Lagatta, USA Today, 23 Apr. 2025
See All Example Sentences for extraterrestrial
Examples are automatically compiled from online sources to
show current usage.
Read More
Opinions expressed in the examples do not represent those of Merriam-Webster or its editors.
Send us feedback.
Adjective
That their extraterrestrial sighting was very much real.
—Nick Caruso, TVLine, 21 June 2025
Overhearing a musical motif that’s been picked up by a satellite, and which a base employee thinks might be an extraterrestrial howdy-do, Elio sneaks in to communications room and sends a message.
—David Fear, Rolling Stone, 19 June 2025
Noun
In September 2023, during a serious investigation into alien bodies, Goldberg actually got up from the Hot Topics table to approach a large screen displaying what appeared to be a deceased extraterrestrial.
—Joey Nolfi Published, EW.com, 12 May 2025
Search for extraterrestrials: Could alien life thrive on K2-18b?
—Eric Lagatta, USA Today, 23 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 30 Jun. 2025.
Copy CitationLove words? Need even more definitions?
Merriam-Webster unabridged
Share