cosmonaut

noun

cos·​mo·​naut ˈkäz-mə-ˌnȯt How to pronounce cosmonaut (audio)
-ˌnät
: an astronaut of the Soviet or Russian space program

Examples of cosmonaut in a Sentence

Recent Examples on the Web Its four crew members are NASA astronauts Commander Matthew Dominick, Pilot Michael Barratt, Mission Specialist Jeanette Epps and Roscosmos cosmonaut Mission Specialist Alexander Grebenkin. Richard Tribou, Orlando Sentinel, 8 July 2024 Wilmore and Williams are living on the ISS with seven crew members who were already stationed there: NASA astronauts Michael Barratt, Matt Dominick, Tracy Dyson and Jeanette Epps, and Russian cosmonauts Nikolai Chub, Alexander Grebenkin and Oleg Kononenko. Denise Chow, NBC News, 24 June 2024 SpaceX began flying astronauts aboard Crew Dragon ships in 2020 and has now carried 50 astronauts, cosmonauts and civilians into orbit in 13 flights. William Harwood, CBS News, 31 May 2024 Alice and Jo are both able to hear the plea for help from the female cosmonaut, and Alice identifies her as the Valya, both alive and dead. Erin Qualey, Vulture, 6 Mar. 2024 See all Example Sentences for cosmonaut 

These examples are programmatically compiled from various online sources to illustrate current usage of the word 'cosmonaut.' Any opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback about these examples.

Word History

Etymology

Russian kosmonavt, from Greek kosmos + Russian -navt (as in aeronavt aeronaut)

First Known Use

1955, in the meaning defined above

Time Traveler
The first known use of cosmonaut was in 1955

Dictionary Entries Near cosmonaut

Cite this Entry

“Cosmonaut.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/cosmonaut. Accessed 15 Jul. 2024.

Kids Definition

cosmonaut

noun
cos·​mo·​naut ˈkäz-mə-ˌnȯt How to pronounce cosmonaut (audio)
-ˌnät
: a Soviet or Russian astronaut

More from Merriam-Webster on cosmonaut

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