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View synonyms for deep space

deep space

noun

  1. space beyond the limits of the solar system.



deep space

noun

  1. any region of outer space beyond the system of the earth and moon

“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
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Other Word Forms

  • deep-space adjective
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Word History and Origins

Origin of deep space1

First recorded in 1950–55

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Deep Southdeep state