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
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But Rodriguez had a theory about the outer space race. Diana Olick, CNBC, 17 June 2026 Robles said he was inspired to do an outer space theme following recent astronomical events like the Artemis II mission and solar eclipses. Nollyanne Delacruz, Mercury News, 17 June 2026 One is liquid-droplet radiators, which produce a constant stream of oil droplets directly into outer space, to be collected after traveling some distance. IEEE Spectrum, 11 June 2026 Gosling’s co-stars include Sandra Hüller as Eva Stratt and puppeteer James Ortiz as Rocky, the adorable alien that accompanies Grace on his outer space adventure. Karla Cote, Variety, 10 June 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

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Cite this Entry

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

Kids Definition

outer space

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

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