outer space

noun

: space immediately outside the earth's atmosphere
broadly : interplanetary or interstellar space

Examples of outer space in a Sentence

a satellite in outer space Is there life in outer space?
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.
The experiment is intended to demonstrate the ability to produce very thin materials — too thin to be made reliably on Earth — that can go from the microgravity environment of outer space to being used in semiconductors. Robert Z. Pearlman, Space.com, 16 Oct. 2025 The series was revived several times in the 1970s and ’80s, making the typical nuclear family that happens to live in outer space familiar to several generations of viewers. Pat Saperstein, Variety, 15 Oct. 2025 The work of Thierry Mugler, who founded the label in 1974, oscillated between old Hollywood, high camp, and outer space—and sometimes encompassed all three—but was always delivered by a fierce talent aided and abetted by a scalpel-sharp sense of form and fit. Mark Holgate, Vogue, 1 Oct. 2025 The $97 million Carruthers mission carries two co-aligned ultraviolet imagers designed for simultaneous observations of Earth's exosphere, a tenuous cloud of hydrogen gas that fades into the airless void of outer space about halfway to the Moon. Kyle Orland, ArsTechnica, 24 Sep. 2025 See All Example Sentences for outer space

Word History

First Known Use

1842, in the meaning defined above

Time Traveler
The first known use of outer space was in 1842

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Cite this Entry

“Outer space.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/outer%20space. Accessed 20 Oct. 2025.

Kids Definition

outer space

noun
: space entry 1 sense 4
especially : the region beyond the solar system

More from Merriam-Webster on outer space

Last Updated: - Updated example sentences
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