Dictionary.com
Thesaurus.com
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.

Their remarkable durability led researchers to test moss sporophytes, the reproductive structures that hold spores, in an even harsher setting: outer space.

From Science Daily

But some technology executives see a place where energy would be cheap, temperatures hospitable and community backlash nonexistent: outer space.

From MarketWatch

The world’s richest men are earnestly talking about traveling to outer space to build gigantic data centers to train AI models among the stars.

From The Wall Street Journal

The world’s richest men are earnestly talking about traveling to outer space to build gigantic data centers to run artificial-intelligence models among the stars.

From The Wall Street Journal

At one point he says, “If somebody came from outer space and asked what does being an actor mean, I’d just say, ‘I become other people.’

From Los Angeles Times