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.
The series states that it's been journeying across outer space for decades; since the show starts in 2120 (two years before the original Alien), that makes the Maginot a 21st-century vessel. Fran Ruiz, Space.com, 8 Aug. 2025 What’s a craft project inspired by outer space that doesn’t involve glitter? Suzi Morales, Parents, 29 July 2025 Gunn has already said the film will closely follow the Woman of Tomorrow arc, with outer space hijinks with her protege Ruthye (Eve Ridley) and the dark’n’gritty Lobo (Jason Momoa). Bethy Squires, Vulture, 14 July 2025 In 1963, President John F. Kennedy signed the Limited Test Ban Treaty, prohibiting nuclear detonations in the atmosphere, the ocean, and outer space. The Atlantic, 10 July 2025 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 19 Aug. 2025.

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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