outer space

noun

: space immediately outside the earth's atmosphere
broadly : interplanetary or interstellar space

Examples of outer space in a Sentence

a satellite in outer space Is there life in outer space?
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.
Authoritarian regimes may treat outer space as a place to install infrastructure and write the rules unilaterally. Alexander Görlach, The Orlando Sentinel, 10 Jan. 2026 Novig, a prediction market platform that exists in a regulatory outer space that is neither state nor federal, directs people in need of help to a video game addiction group rather than a gambling one, presumably as another tactic to avoid explicit association with gambling. Dan Bernstein, Sportico.com, 9 Jan. 2026 The current season has been out of this world – with the first responder TV series making a foray into the heavens, going into outer space. Fernando Cervantes Jr, USA Today, 7 Jan. 2026 The illustration shows Bowie's body inside of a star shooting through outer space. Katie Hill, PEOPLE, 6 Jan. 2026 See All Example Sentences for outer space

Word History

First Known Use

1842, in the meaning defined above

Time Traveler
The first known use of outer space was in 1842

Browse Nearby Words

Cite this Entry

“Outer space.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/outer%20space. Accessed 13 Jan. 2026.

Kids Definition

outer space

noun
: space entry 1 sense 4
especially : the region beyond the solar system

More from Merriam-Webster on outer space

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!