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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Engineers even see the system supporting interstellar precursor missions that could venture beyond the path of Voyager 1 and Voyager 2.
—
Aamir Khollam, Interesting Engineering, 15 May 2026
Scientists announced the observation of an interstellar comet called 3I/ATLAS on July 1, 2025.
—Quanta Magazine, 15 May 2026
Dodd added that she was impressed by how well the remaining instruments are performing in the cold of interstellar space.
—Elizabeth Howell, Space.com, 9 May 2026
In interstellar space — far away from any sites of star-formation or planet-formation, and outside of any interstellar gas clouds — the densities now really begin to drop.
—Big Think, 8 May 2026
See All Example Sentences for interstellar
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Aamir Khollam, Interesting Engineering, 15 May 2026
Scientists announced the observation of an interstellar comet called 3I/ATLAS on July 1, 2025.
—Quanta Magazine, 15 May 2026
Dodd added that she was impressed by how well the remaining instruments are performing in the cold of interstellar space.
—Elizabeth Howell, Space.com, 9 May 2026
In interstellar space — far away from any sites of star-formation or planet-formation, and outside of any interstellar gas clouds — the densities now really begin to drop.
—Big Think, 8 May 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 20 May. 2026.
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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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