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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

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

I have always loved the idea of going to outer space.

From Slate • Mar. 1, 2026

“What if the Titanic was hit by a meteor?” said Phoebe, whose latest obsession was outer space.

From "I Survived the Sinking of the Titanic, 1912" by Lauren Tarshis