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
Astrophotographer Greg Meyer has captured an evocative image of a shadowy nebula drifting through interstellar space, which conjures the image of a cosmic giraffe galloping through a sea of stars.
—
Anthony Wood, Space.com, 15 Jan. 2026
According to a study published today in Monthly Notices of the Royal Astronomical Society, J1007+3540 is erupting like a volcano and spewing plasma across interstellar space.
—Andrew Paul, Popular Science, 15 Jan. 2026
And as technology has evolved, proposals for interstellar spacecraft have become more miniaturized and automated, eliminating much of the need for human oversight (and even astronauts to pilot them).
—Matthew S Williams, Interesting Engineering, 10 Jan. 2026
Ever since it was first spotted hurtling through the solar system, Harvard astronomer Avi Loeb has maintained that there’s a chance mysterious interstellar object 3I/ATLAS is a technological object sent by an extraterrestrial civilization.
—Victor Tangermann, Futurism, 7 Jan. 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.
Cite this Entry
“Interstellar.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/interstellar. Accessed 19 Jan. 2026.
Kids 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
