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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:

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

The map then zooms out of New York and away from Earth before the Spider-Man icon indicates he has been spotted somewhere in outer space.

From Los Angeles Times Jul. 31, 2026

The company holds the keys to outer space for many companies and for the U.S. government, dominating the rocket-launch industry with few rivals capable of challenging it.

From MarketWatch Jun. 18, 2026

You couldn’t help but see it from outer space.

From "100 Sideways Miles" by Andrew Smith

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