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.
They’re also transported to outer space and explore various planets, like a fiery volcano world, an underwater planet and a techno-land with neon, gravity-defying obstacles. Jordan Moreau, Variety, 9 Mar. 2026 Some mentions of outer space for Project Hail Mary, but otherwise this could’ve happened any week preceding a Styles show. Ben Rosenstock, Vulture, 8 Mar. 2026 Aliens, in my book, are from outer space. Voice Of The People, New York Daily News, 7 Mar. 2026 Each flavor – Cosmic Swirl, Dragonfruit Stardust and Meteor Melon – plays on the outer space themes of the movie and video games it is based on. Greta Cross, USA Today, 23 Feb. 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 11 Mar. 2026.

Kids Definition

outer space

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

More from Merriam-Webster on outer space

Last Updated: - Updated example sentences
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