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.
Most quantum computers have to be cooled to temperatures even colder than outer space. Aldo Romero, The Conversation, 15 July 2026 This iconic live-action movie features NBA superstar Michael Jordan, who is recruited by Bugs Bunny and the Looney Tunes, the Tune Squad, for a high-stakes game against an evil theme park owner and his minions, the Monstars, in outer space. Sarah Shachat, IndieWire, 14 July 2026 From antiquity to outer space, literature and film are filled with scrappy adventurers struggling to get home. Brittany Allen, Literary Hub, 14 July 2026 The United Nations Outer Space Treaty, which provides the legal foundation for humankind's use of outer space, bans the use of nuclear weapons in orbit. Tereza Pultarova, Space.com, 8 July 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 19 Jul. 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

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