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
However, each sneak peek provides a compelling glimpse at the interplanetary turmoil ahead.
—
Jeff Spry, Space.com, 27 Mar. 2026
Space Reactor-1 Freedom will be the first spacecraft to use nuclear electric propulsion for an interplanetary mission, targeting a launch before 2028.
—Neetika Walter, Interesting Engineering, 24 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
See All Example Sentences for interplanetary
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Jeff Spry, Space.com, 27 Mar. 2026
Space Reactor-1 Freedom will be the first spacecraft to use nuclear electric propulsion for an interplanetary mission, targeting a launch before 2028.
—Neetika Walter, Interesting Engineering, 24 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
See All Example Sentences for interplanetary
Cite this Entry
“Interplanetary.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/interplanetary. Accessed 4 Apr. 2026.
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