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 interstellar object, which comes from the center of the Milky Way galaxy, is also expected to pass near to Mars, Venus and Jupiter — something that is also highly improbable to happen at random, according to Loeb. Sophia Compton, FOXNews.com, 10 Aug. 2025 These are objects that exist in interstellar space—the areas between stars—and which are not gravitationally bound to any star. Shigeyuki Hando, Wired News, 13 July 2025 Johnny Storm translates alien signals from deep space on golden records that look uncannily similar to NASA's Golden Records, which carried messages from humanity into interstellar space on the twin Voyager spacecraft. Tariq Malik, Space.com, 30 July 2025 The only other time an interstellar object has been spotted traveling through our solar system occurred in 2019 when comet Borisov passed by. Eric Lagatta, USA Today, 30 July 2025 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

Browse Nearby Words

Cite this Entry

“Interstellar.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/interstellar. Accessed 19 Aug. 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!