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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.

It’s like a meteor coming from outer space and hitting you on the head.

From Los Angeles Times • May 19, 2026

“Space-time doesn’t just curve and expand; it also twists, oscillates, and sucks. Go outside on a cloudless night, and outer space will start sucking the heat right out of you.”

From The Wall Street Journal • May 15, 2026

Meta Platforms is the latest technology company to see outer space as a potential solution to the artificial-intelligence power crunch.

From MarketWatch • Apr. 27, 2026

The animated sequel from Universal and Illumination Studios tracks the adventures of Mario, Luigi and friends in outer space, where they must save Princess Rosalina.

From Barron's • Apr. 5, 2026

They want to know why Boy21’s wearing what he’s wearing, where exactly in outer space he came from, and how many points he’ll score in the next game.

From "Boy21" by Matthew Quick

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