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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 also: Zuckerberg is following Musk’s lead with this ‘transformative step’ in outer space.

From MarketWatch • Apr. 28, 2026

Their meeting was quickly interrupted by a message in the Microsoft Teams chat flagging that Nutella was in outer space.

From The Wall Street Journal • Apr. 9, 2026

A makeshift window on the back wall opens onto what looks like a portal to outer space.

From Los Angeles Times • Apr. 1, 2026

Despite my penchant for outer space films and my affinity for Gosling’s work, the millennial cringe of it all left a bitter taste in my mouth.

From Salon • Mar. 21, 2026

But as I look up at the green constellations, I get the feeling that I’m really in outer space, which is weird, because how would I even know what that feels like?

From "Boy21" by Matthew Quick

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