definitions

outer space

SEE MORE SYNONYMS FOR outer space ON THESAURUS.COM

noun

space beyond the atmosphere of the earth.
deep space.

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RELATED WORDS

cosmos, infinity

Nearby words

outer garments, outer hebrides, outer mongolia, outer planet, outer product, outer space, outercoat, outercourse, outermost, outersole, outerwear

Origin of outer space

First recorded in 1875–80
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

British Dictionary definitions for outer space

outer space

noun

(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