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.
No matter what happens, the cost of human spaceflight into low-Earth orbit during the 2030s is going to be significantly more expensive than the cost in the 2020s, at least until Starship really takes off. — Eric Berger, ArsTechnica, 29 July 2026 What’s more, keeping track of meteor showers can help better ensure the safety of human spaceflight. — Amen Galinato, CNN Money, 29 July 2026 On March 31, 2025, a SpaceX Falcon 9 rocket launched the Fram2 mission, which was the first human spaceflight to enter a polar orbit. — Claire Cameron, Scientific American, 15 July 2026 Yet, as human spaceflight and voyages beyond Earth-orbit come to prominence once more, with proposals for an outpost on the moon, there is a greater chance of an astronaut being injured and therefore a greater need for medical X-rays in space. — Keith Cooper, Space.com, 14 July 2026 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

Rhymes for spaceflight

See All Rhymes for spaceflight

Browse Nearby Words

space-filling model
spaceflight
space force
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Cite this Entry

“Spaceflight.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/spaceflight. Accessed 3 Aug. 2026.

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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

Nglish: Translation of spaceflight for Spanish Speakers

Britannica.com: Encyclopedia article about spaceflight

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