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Synonyms

outer space

American  

noun

  1. space beyond the atmosphere of the earth.

  2. deep space.


outer space British  

noun

  1. (not in technical usage) any region of space beyond the atmosphere of the earth

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Etymology

Origin of outer space

First recorded in 1875–80

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

See Examples For:

Secretary of the Air Force Troy Meink declared this week that the United States has weapons orbiting in outer space.

From Slate ● Sep. 17, 2026

"We urge the US side to stop expanding its military capabilities and preparing for war in outer space," ministry spokesman Guo Jiakun told a news briefing.

From Barron's ● Sep. 15, 2026

Wallace said he had always been a keen photographer and had been on a learning curve with the tech involved in capturing outer space, including galaxies and nebula.

From BBC ● Aug. 13, 2026

"Ductile intermetallics will significantly boost our capabilities for designing advanced materials for aerospace and outer space, energy and defense applications," Zhang said.

From Science Daily ● Jul. 31, 2026

Libby’s research began in the global scientific race during the 1930s and 1940s to understand cosmic rays, the mysterious, ultrahigh- velocity subatomic particles that continually rain onto the earth from outer space.

From "1491" by Charles C. Mann

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