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
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These events spew a lot of plasma and electrons into interplanetary space around a star, and plasma and electrons are like kryptonite to coherent radio signals.
—
Keith Cooper, Space.com, 8 Mar. 2026
And these robots might be the key to interplanetary travel and many other almost unimaginable advances.
—Ravin Gandhi, CNBC, 5 Mar. 2026
When and how can Texans witness the interplanetary phenomenon?
—Alexis Simmerman, Austin American Statesman, 27 Feb. 2026
That performance means massive benefits for wind turbines, airplanes, and certainly spaceships, space stations, and interplanetary probes far from any possible repair shop.
—New Atlas, 23 Feb. 2026
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Keith Cooper, Space.com, 8 Mar. 2026
And these robots might be the key to interplanetary travel and many other almost unimaginable advances.
—Ravin Gandhi, CNBC, 5 Mar. 2026
When and how can Texans witness the interplanetary phenomenon?
—Alexis Simmerman, Austin American Statesman, 27 Feb. 2026
That performance means massive benefits for wind turbines, airplanes, and certainly spaceships, space stations, and interplanetary probes far from any possible repair shop.
—New Atlas, 23 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 11 Mar. 2026.
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