spaceflight

noun

space·​flight ˈspās-ˌflīt How to pronounce spaceflight (audio)
: flight beyond the earth's atmosphere

Examples of spaceflight in a Sentence

a history of human spaceflight
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 condition is common, however, and has affected astronauts dating back to the beginning of spaceflight. Jackie Wattles, CNN Money, 8 Jan. 2026 The other two members of Crew-11 are JAXA astronaut Kimiya Yui, 55, on his second mission to space, and Roscosmos cosmonaut Oleg Platonov, 39, on his first spaceflight. Richard Tribou, The Orlando Sentinel, 8 Jan. 2026 This chamber, set for pilot experiments in early 2026, will recreate the brutal conditions of spaceflight and Mars, like low pressure, high radiation, and extreme temperature swings. Mrigakshi Dixit, Interesting Engineering, 2 Jan. 2026 As the moon and Mars take center stage in human spaceflight, scientists are leveraging existing space missions to lay the groundwork for a sustained human presence off-planet. Sharmila Kuthunur, Space.com, 31 Dec. 2025 See All Example Sentences for spaceflight

Word History

First Known Use

1931, in the meaning defined above

Time Traveler
The first known use of spaceflight was in 1931

Browse Nearby Words

Cite this Entry

“Spaceflight.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/spaceflight. Accessed 11 Jan. 2026.

Kids Definition

spaceflight

noun
space·​flight ˈspās-ˌflīt How to pronounce spaceflight (audio)
: flight beyond the earth's atmosphere

More from Merriam-Webster on spaceflight

Last Updated: - Updated example sentences
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