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
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The Hubble Space Telescope and the Jupiter Icy Moons Explorer have captured fresh images of an interstellar comet as the object nears its closest approach to Earth later this month.
—
Ashley Strickland, CNN Money, 8 Dec. 2025
At the same time, Comet C/2025 R2 (SWAN) happened to share the same swath of sky with the now-famous interstellar visitor 3I/ATLAS.
—Sharmila Kuthunur, Space.com, 5 Dec. 2025
Understanding and interacting with the environment is the goal, which is engrossing in an interstellar way, not unlike No Man's Sky.
—PC Magazine, 2 Dec. 2025
The big comet story this month and this year, for that matter, is Comet 3I/ATLAS, a rare interstellar comet traveling through our solar system.
—Mike Lynch, Twin Cities, 30 Nov. 2025
See All Example Sentences for interstellar
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Ashley Strickland, CNN Money, 8 Dec. 2025
At the same time, Comet C/2025 R2 (SWAN) happened to share the same swath of sky with the now-famous interstellar visitor 3I/ATLAS.
—Sharmila Kuthunur, Space.com, 5 Dec. 2025
Understanding and interacting with the environment is the goal, which is engrossing in an interstellar way, not unlike No Man's Sky.
—PC Magazine, 2 Dec. 2025
The big comet story this month and this year, for that matter, is Comet 3I/ATLAS, a rare interstellar comet traveling through our solar system.
—Mike Lynch, Twin Cities, 30 Nov. 2025
See All Example Sentences for interstellar
Cite this Entry
“Interstellar.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/interstellar. Accessed 15 Dec. 2025.
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interstellar
adjective
in·ter·stel·lar
ˌint-ər-ˈstel-ər
: located or taking place among the stars
interstellar space
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