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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Roscomos cosmonaut Aleksandr Gorbunov making his first flight.
—
Richard Tribou, The Orlando Sentinel, 29 Apr. 2026
Sergey Teteryatnikov, a Roscosmos cosmonaut from Russia who is the second mission specialist.
—Eric Lagatta, USA Today, 27 Apr. 2026
These cosmonauts and engineers became superstars and because of that, they were kept under careful watch.
—Marta Balaga, Variety, 27 Apr. 2026
Jessica Watkins and Luke Delaney with NASA, Joshua Kutryk with the Canadian Space Agency, and Roscosmos cosmonaut Sergey Teteryatnikov will lift off for the International Space Station as Crew-13 on a SpaceX Dragon spacecraft in mid-September.
—Robert Pearlman, ArsTechnica, 27 Apr. 2026
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Richard Tribou, The Orlando Sentinel, 29 Apr. 2026
Sergey Teteryatnikov, a Roscosmos cosmonaut from Russia who is the second mission specialist.
—Eric Lagatta, USA Today, 27 Apr. 2026
These cosmonauts and engineers became superstars and because of that, they were kept under careful watch.
—Marta Balaga, Variety, 27 Apr. 2026
Jessica Watkins and Luke Delaney with NASA, Joshua Kutryk with the Canadian Space Agency, and Roscosmos cosmonaut Sergey Teteryatnikov will lift off for the International Space Station as Crew-13 on a SpaceX Dragon spacecraft in mid-September.
—Robert Pearlman, ArsTechnica, 27 Apr. 2026
See All Example Sentences for cosmonaut
Cite this Entry
“Cosmonaut.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/cosmonaut. Accessed 1 May. 2026.
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cosmonaut
noun
cos·mo·naut
ˈkäz-mə-ˌnȯt
-ˌnät
: a Soviet or Russian astronaut
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