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.
To date, scientists have detected more than 200 kinds (opens a new tab) of organic molecules in interstellar space. Elise Cutts, Quanta Magazine, 13 Nov. 2024 The probes, which continue to travel billions of miles away, have both reached interstellar space – Voyager 1 in 2012 and Voyager 2 in 2018, according to NASA. Eric Lagatta, USA TODAY, 12 Nov. 2024 After completing their initial mission surveys of the solar system’s gas giants in the 1980’s, NASA turned off multiple instruments that weren’t useful to either probe in interstellar space. Andrew Paul, Popular Science, 2 Oct. 2024 In the novel, an astrophysicist, as an act of revenge for her father’s murder by Red Guards, chooses to put Earth at risk by sending out a provocative interstellar message to hostile aliens. H.m.a. Leow, JSTOR Daily, 5 Nov. 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 1 Dec. 2024.

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!