interstellar
adjective
in·ter·stel·lar
ˌin-tər-ˈste-lər 
: located, taking place, or traveling among the stars especially of the Milky Way galaxy
Examples of interstellar in a Sentence
Recent Examples on the Web
The nation has put people on the moon, helped build and operate a long-running space station in low Earth orbit (LEO) and sent fleets of robotic explorers to many corners of the solar system — and even beyond it, into interstellar space.
—
Mike Wall,
Space.com,
3 July 2026
Deciding that destiny is at hand, TATA summons guardian robot VAN to prepare for an interstellar journey to Earth.
—
Laura Sirikul,
Forbes.com,
2 July 2026
Last year, Loeb raised the possibility that the interstellar comet 3I/ATLAS could have alien origins.
—
CBS News,
1 July 2026
As radio waves travel across the universe, interstellar gas muddies them, generating a characteristic delay in the signal that depends on frequency.
—
Phil Plait,
Scientific American,
26 June 2026
See All Example Sentences for interstellar
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.
Mike Wall,
Space.com,
3 July 2026
Deciding that destiny is at hand, TATA summons guardian robot VAN to prepare for an interstellar journey to Earth.
—
Laura Sirikul,
Forbes.com,
2 July 2026
Last year, Loeb raised the possibility that the interstellar comet 3I/ATLAS could have alien origins.
—
CBS News,
1 July 2026
As radio waves travel across the universe, interstellar gas muddies them, generating a characteristic delay in the signal that depends on frequency.
—
Phil Plait,
Scientific American,
26 June 2026
See All Example Sentences for interstellar
Cite this Entry
“Interstellar.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/interstellar. Accessed 6 Jul. 2026.
Copy CitationKids Definition
interstellar
adjective
in·ter·stel·lar
ˌint-ər-ˈstel-ər
: located or taking place among the stars
interstellar space
Love words? Need even more definitions?
Merriam-Webster unabridged
