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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Goldberg made the special announcement Wednesday morning from her post at The View's Hot Topics table, which temporarily served as a communications hub for matters of interplanetary concern.
—
Joey Nolfi, Entertainment Weekly, 10 June 2026
For almost the entire film, our view of the interplanetary visitors is confined to low-resolution, black-and-white video from the ‘70s on monitor banks, previously locked away in the WARDEX vaults.
—David Rooney, HollywoodReporter, 9 June 2026
What to read next The major mission disrupters come in the form of meteor storms and outbursts, which see a dramatic increase in the quantity of interplanetary debris choking the Earth-moon environment.
—Anthony Wood, Space.com, 7 June 2026
Before the interplanetary mission, SpaceX plans to conduct a separate flyby of the moon – not unlike NASA's Artemis II mission in April that sent four astronauts around the moon and back.
—Eric Lagatta, USA Today, 28 May 2026
See All Example Sentences for interplanetary
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Joey Nolfi, Entertainment Weekly, 10 June 2026
For almost the entire film, our view of the interplanetary visitors is confined to low-resolution, black-and-white video from the ‘70s on monitor banks, previously locked away in the WARDEX vaults.
—David Rooney, HollywoodReporter, 9 June 2026
What to read next The major mission disrupters come in the form of meteor storms and outbursts, which see a dramatic increase in the quantity of interplanetary debris choking the Earth-moon environment.
—Anthony Wood, Space.com, 7 June 2026
Before the interplanetary mission, SpaceX plans to conduct a separate flyby of the moon – not unlike NASA's Artemis II mission in April that sent four astronauts around the moon and back.
—Eric Lagatta, USA Today, 28 May 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 17 Jun. 2026.
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