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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

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

The startup explained that it plans to power Google AI with the Nvidia GPUs to show that large language models can run in outer space.

From Barron's • Mar. 17, 2026

“When you think of outer space, you instantly think of stars and planets,” Storer says.

From Los Angeles Times • Mar. 6, 2026

It was the central thing; it was the way you understood yourself; if it never happened to you, not ever, you would be like a mutant, a creature from outer space.

From "The Handmaid's Tale" by Margaret Atwood