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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.

Outer space is full of gamma rays, though few make it all the way to Earth's surface, as the atmosphere absorbs the vast majority before they can ever make it down to hurt us.

From Salon • Oct. 18, 2022

Outer space might now be embarked on a similar journey from frontier to big business.

From New York Times • Jul. 21, 2021

Outer space is under threat, and it is high time for the international community to make sure that the threat does not become reality.

From Washington Post • Jun. 18, 2018

Outer space has long been seen as not only the final frontier, but also the ultimate universal commons belonging to all and to none—and anything sent there tends to last a long time.

From Scientific American • Feb. 6, 2018

Outer space societies shall protect from abuse the environment and natural resources of Earth and space.

From The Universe — or Nothing by Moldeven, Meyer

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