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 Rodriguez had a theory about the outer space race. — Diana Olick, CNBC, 17 June 2026 Its outer space is filled with cosmic detritus, mean characters and cute critters. — ABC News, 24 June 2026 Spacewalks require suiting up in specialized suits and exposing oneself to the vacuum of outer space. — Eric Lagatta, USA Today, 29 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 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

Rhymes for outer space

See All Rhymes for outer space

Browse Nearby Words

outersole
outer space
outer table
See all Nearby Words

Cite this Entry

“Outer space.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/outer%20space. Accessed 7 Jul. 2026.

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Kids Definition

outer space

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

More from Merriam-Webster on outer space

Nglish: Translation of outer space for Spanish Speakers

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