interplanetary
adjective
in·ter·plan·e·tary
ˌin-tər-ˈpla-nə-ˌter-ē 
: existing, carried on, or operating between planets
interplanetary dust
an interplanetary flight
interplanetary spacecraft
Examples of interplanetary in a Sentence
Recent Examples on the Web
While Mars and Earth align once every 26 months to allow for interplanetary travel, trips to the moon could take place every 10 days, Musk claimed.
—
Eric Lagatta, USA Today, 9 Feb. 2026
The Prince recounts his interplanetary explorations, with strange characters at each stop, before his arrival on Earth.
—Scott Cantrell, Dallas Morning News, 7 Feb. 2026
But Musk’s announcement that SpaceX would buy xAI isn’t just a story about Musk and his wild ambition of making humanity interplanetary.
—Reed Albergotti, semafor.com, 4 Feb. 2026
The front lobby features a large blocky version of the Lego Galaxy logo, which is a bit interplanetary and a bit NASA meatball.
—Dewayne Bevil, The Orlando Sentinel, 4 Feb. 2026
See All Example Sentences for interplanetary
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.
Eric Lagatta, USA Today, 9 Feb. 2026
The Prince recounts his interplanetary explorations, with strange characters at each stop, before his arrival on Earth.
—Scott Cantrell, Dallas Morning News, 7 Feb. 2026
But Musk’s announcement that SpaceX would buy xAI isn’t just a story about Musk and his wild ambition of making humanity interplanetary.
—Reed Albergotti, semafor.com, 4 Feb. 2026
The front lobby features a large blocky version of the Lego Galaxy logo, which is a bit interplanetary and a bit NASA meatball.
—Dewayne Bevil, The Orlando Sentinel, 4 Feb. 2026
See All Example Sentences for interplanetary
Cite this Entry
“Interplanetary.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/interplanetary. Accessed 15 Feb. 2026.
Copy CitationLove words? Need even more definitions?
Merriam-Webster unabridged
