interstellar

adjective

in·​ter·​stel·​lar ˌin-tər-ˈste-lər How to pronounce interstellar (audio)
: 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
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.
The inventory of small organic molecules that Rosetta detected so far in comet 67P mostly lines up with what scientists would expect of material inherited from molecular clouds in interstellar space. Elise Cutts, WIRED, 22 Dec. 2024 The X-rays from Chandra (in red) show young, massive stars illuminating the wreath and sending high-energy light into interstellar space. Laura Baisas, Popular Science, 20 Dec. 2024 In the time since, subsequent franchise installments have been set on an interstellar marine base, a prison colony, a primordial planet, and (in this year's Alien: Romulus) a mining colony and nearby space station, among other science-fiction settings. Christian Holub, EW.com, 20 Nov. 2024 After a brief pause in communications with Voyager 1, NASA re-established a connection with the interstellar spacecraft located more than 15 billion miles away from Earth, using a frequency not used more than forty years. Greg Wehner, Fox News, 31 Oct. 2024 See all Example Sentences for interstellar 

Word History

First Known Use

1626, in the meaning defined above

Time Traveler
The first known use of interstellar was in 1626

Dictionary Entries Near interstellar

Cite this Entry

“Interstellar.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/interstellar. Accessed 3 Jan. 2025.

Kids Definition

interstellar

adjective
in·​ter·​stel·​lar ˌint-ər-ˈstel-ər How to pronounce interstellar (audio)
: located or taking place among the stars
interstellar space

More from Merriam-Webster on interstellar

Last Updated: - Updated example sentences
Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!