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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.

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

"In 10 years, nearly all new data centers will be being built in outer space," predicted Starcloud co-founder and chief Philip Johnston.

From Barron's • Mar. 17, 2026

Test audiences liked the story of a lonely boy who finds friends in outer space, but said they wouldn’t pay to see it in a theater.

From The Wall Street Journal • Mar. 7, 2026

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

From Los Angeles Times • Mar. 6, 2026

Or figuring out ways for people to live in outer space, so they wouldn’t be too crowded on Earth and chop down beautiful woods just for houses.

From "Among the Hidden" by Margaret Peterson Haddix