deep space

noun

: space well outside the earth's atmosphere and especially that part lying beyond the earth-moon system

Examples of deep space in a Sentence

Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
Long baskets can be perfect for stowing bags of chips, cookies, or nuts in deep spaces. Kelsey Mulvey, Southern Living, 19 Feb. 2025 First of all, Isaacman does not appear to be foreclosing on the idea of a lunar component for NASA's deep space exploration program. Eric Berger, Ars Technica, 17 Feb. 2025 Deep time is a hard thing to handle, much like deep space. Erik Klemetti, Discover Magazine, 17 Feb. 2025 Worse, water can leak, which can cause all sorts of mischief, from shorting out electrical circuitry to posing the novel threat to astronauts of drowning in deep space. David Szondy, New Atlas, 11 Feb. 2025 See All Example Sentences for deep space

Word History

First Known Use

1865, in the meaning defined above

Time Traveler
The first known use of deep space was in 1865

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Cite this Entry

“Deep space.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/deep%20space. Accessed 5 Mar. 2025.

Kids Definition

deep space

noun
: space outside the earth's atmosphere and especially that part lying beyond the earth-moon system
Last Updated: - Updated example sentences
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