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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His incredulity about their increasingly risky adventures—this is the one that involves a Pontiac Fiero in outer space—becomes one of the film’s running gags. Hua Hsu, New Yorker, 29 Apr. 2026 Amazon is making a big move to advance its ambitions in outer space — one that is pricey and pits it against a formidable incumbent. Paulina Likos, CNBC, 27 Apr. 2026 His passion for outer space began in the 1960s. Lexi Lane, PEOPLE, 19 Apr. 2026 Love of arts and outer space Daryle sometimes struggled with being a workaholic and being at home. Charlotte Observer, 17 Apr. 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 2 May. 2026.

Kids Definition

outer space

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

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