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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 was like being deep in outer space, so far away from everything else that he couldn’t even see any stars.

From Literature

Those balloons never made it to outer space, but when the Ukraine war began, he remembered their utility.

From The Wall Street Journal

Could I make this one thing that happened to this one person on this rock in outer space matter to anybody and make them care?

From Los Angeles Times

“But Thor’s eyes are amazing. Look! They are the color of outer space. They’re open!”

From Literature

This unusual mixture is known as dusty plasma, a rare state of matter that exists both in outer space and inside laboratory experiments.

From Science Daily

Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.