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.
Materson’s intricate embroideries stray in their subjects from baseball to outer space, with the most striking blending imagination and documentation. — Tessa Solomon, ARTnews.com, 7 Nov. 2026 And as Japan rebuilds from both wartime devastation and from Godzilla’s rampage through various cities, including Tokyo, a new threat arrives from outer space—and this one can fly. — Stephanie Zacharek, Time, 6 Nov. 2026 The quantum computer system is kept at a temperature colder than outer space. — Robert Channick, Chicago Tribune, 6 Nov. 2026 Experts say lifting and operating data centers in outer space still face many hurdles. — Chris Isidore, CNN Money, 5 Nov. 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 Nov. 2026.

Kids Definition

outer space

noun
: space entry 1 sense 4
especially : the region beyond the solar system
Love words? Need even more definitions?

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