cosmonaut
noun
cos·mo·naut
ˈkäz-mə-ˌnȯt 
-ˌnät
: an astronaut of the Soviet or Russian space program
Examples of cosmonaut in a Sentence
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This would be the first all-female flight crew since Soviet cosmonaut Valentina Tereshkova’s solo spaceflight in 1963.
—
Michelle Lee, People.com, 2 Apr. 2025
Wilmore, Williams, Crew 9 Dragon commander Nick Hague and cosmonaut Alexander Gorbunov originally planned to return to Earth in February.
—William Harwood, CBS News, 31 Mar. 2025
There were no technical issues on Friday, and with clear skies, NASA astronauts Anne McClain and Nichole Ayers, Japanese astronaut Takuya Onishi, and Roscosmos cosmonaut Kirill Peskov rocketed smoothly into orbit.
—Ars Technica, 21 Mar. 2025
The Russian space agency launched a replacement Soyuz spacecraft for Rubio and his cosmonaut crewmates several months later.
—Jackie Wattles, CNN, 18 Mar. 2025
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Michelle Lee, People.com, 2 Apr. 2025
Wilmore, Williams, Crew 9 Dragon commander Nick Hague and cosmonaut Alexander Gorbunov originally planned to return to Earth in February.
—William Harwood, CBS News, 31 Mar. 2025
There were no technical issues on Friday, and with clear skies, NASA astronauts Anne McClain and Nichole Ayers, Japanese astronaut Takuya Onishi, and Roscosmos cosmonaut Kirill Peskov rocketed smoothly into orbit.
—Ars Technica, 21 Mar. 2025
The Russian space agency launched a replacement Soyuz spacecraft for Rubio and his cosmonaut crewmates several months later.
—Jackie Wattles, CNN, 18 Mar. 2025
See All Example Sentences for cosmonaut
Cite this Entry
“Cosmonaut.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/cosmonaut. Accessed 12 Apr. 2025.
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cosmonaut
noun
cos·mo·naut
ˈkäz-mə-ˌnȯt
-ˌnät
: a Soviet or Russian astronaut
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