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
Earth's natural satellite will also be nearing its new moon phase around this time, providing a nice dark sky in which to spot the fleeting interplanetary visitors.
—
Anthony Wood, Space.com, 22 June 2025
One of Elon Musk’s SpaceX Starships exploded during a routine test late Wednesday in Texas, law enforcement said, in the latest setback to the billionaire’s dream of turning humanity into an interplanetary species.
—Afp, Fortune, 19 June 2025
This thought has come to mind a lot lately, as much has been made of the political wranglings of Earth’s richest technocrats, whose ambitions range from lower taxes to interplanetary colonization.
—Alex Morris, Rolling Stone, 15 June 2025
Going nuclear The interplanetary transportation architectures envisioned by NASA and SpaceX will, at least initially, primarily use chemical propulsion for the cruise between Earth and Mars.
—Stephen Clark – Jun 3, ArsTechnica, 3 June 2025
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.
Anthony Wood, Space.com, 22 June 2025
One of Elon Musk’s SpaceX Starships exploded during a routine test late Wednesday in Texas, law enforcement said, in the latest setback to the billionaire’s dream of turning humanity into an interplanetary species.
—Afp, Fortune, 19 June 2025
This thought has come to mind a lot lately, as much has been made of the political wranglings of Earth’s richest technocrats, whose ambitions range from lower taxes to interplanetary colonization.
—Alex Morris, Rolling Stone, 15 June 2025
Going nuclear The interplanetary transportation architectures envisioned by NASA and SpaceX will, at least initially, primarily use chemical propulsion for the cruise between Earth and Mars.
—Stephen Clark – Jun 3, ArsTechnica, 3 June 2025
See All Example Sentences for interplanetary
Cite this Entry
“Interplanetary.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/interplanetary. Accessed 1 Jul. 2025.
Copy CitationLove words? Need even more definitions?
Merriam-Webster unabridged
Share