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 The program’s end forced the space agency to turn to Russia, which — as tensions eased in the post-Cold War era — was a primary US partner on the space station and had a reliable vehicle called Soyuz to ferry its cosmonauts to the orbiting outpost. Jackie Wattles, CNN, 13 Apr. 2024 In a traditional welcome-aboard ceremony, station commander Andreas Mogensen (with microphone) jokes with the newly-arrived Crew 8 fliers (front row in blue flight suits, left to right): Jeanette Epps, cosmonaut Alexander Grebenkin, Mike Barratt and Crew Dragon commander Matthew Dominick. William Harwood, CBS News, 5 Mar. 2024 Sent on a space walk to assess damage, Jo dislodges what appears to be the desiccated body of a woman in the suit of Russian cosmonaut, circa late 1960s, which shoots from her grasp. Robert Lloyd, Los Angeles Times, 20 Feb. 2024 That included European royals, Hollywood stars and a Soviet cosmonaut. Sabina Niksic, USA TODAY, 10 Feb. 2024 Left behind aboard the space station were their replacements, Crew 8 commander Matthew Dominick, co-pilot Michael Barratt, Jeanette Epps and cosmonaut Alexander Grebenkin along with Soyuz crewmates Oleg Kononenko, Nikolai Chub and NASA astronaut Loral O'Hara. William Harwood, CBS News, 12 Mar. 2024 The presence of a Russian cosmonaut on the flight is another reminder of the binding partnership between Russia and the United States in space that has continued despite growing tensions between the countries over the war in Ukraine. Christian Davenport, Washington Post, 2 Mar. 2024 Since nothing changed, Russian cosmonauts entered and emptied most of Progress’ cargo for about five days before closing the hatch again. Will Sullivan, Smithsonian Magazine, 1 Mar. 2024 As the cosmonauts sing along, filled with nostalgia and emotion, they are gently ribbed by their American counterparts, a trio of astronauts, but the mood is jovial. Katie Walsh, Los Angeles Times, 19 Jan. 2024

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 23 Apr. 2024.

Kids Definition

cosmonaut

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

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