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.
But for more than 20 years, Nolan carried this vision through Gotham, through outer space, through Los Alamos. Eliana Dockterman, Time, 12 May 2026 But with an influx of IPO cash, SpaceX will have plenty of money to advance Musk’s grand ambitions in outer space, from bolstering existing Starlink satellite internet service to building orbital data centers , and taking humans to Mars. Morgan Chittum, CNBC, 9 May 2026 And after a long, and at times deadly, development campaign, the company reached outer space (defined, somewhat controversially, as an altitude of 80 km and above) in December 2018. Eric Berger, ArsTechnica, 1 May 2026 Not bad for a silly movie about killer worms from outer space. Richard Edwards, Space.com, 1 May 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 16 May. 2026.

Kids Definition

outer space

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

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