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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Another example was the Apollo–Soyuz rendezvous in 1975, when astronauts and cosmonauts shook hands in space.
—
Keith Cooper, Space.com, 14 May 2025
According to Russian space agency Roscosmos, the capsule carrying cosmonauts Alexey Ovchinin and Ivan Vagner and astronaut Don Pettit landed on the Kazakh steppe near the city of Zhezkazgan at 6:20 a.m.
—Los Angeles Times, 20 Apr. 2025
Don Pettit, who arrived Sept. 11, 2024 for his third-ever stint at the International Space Station, is expected to depart April 19 with two cosmonauts on the same Soyuz space capsule that transported them to the orbital laboratory.
—Eric Lagatta, USA Today, 19 Apr. 2025
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, The Orlando Sentinel, 13 May 2025
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Keith Cooper, Space.com, 14 May 2025
According to Russian space agency Roscosmos, the capsule carrying cosmonauts Alexey Ovchinin and Ivan Vagner and astronaut Don Pettit landed on the Kazakh steppe near the city of Zhezkazgan at 6:20 a.m.
—Los Angeles Times, 20 Apr. 2025
Don Pettit, who arrived Sept. 11, 2024 for his third-ever stint at the International Space Station, is expected to depart April 19 with two cosmonauts on the same Soyuz space capsule that transported them to the orbital laboratory.
—Eric Lagatta, USA Today, 19 Apr. 2025
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, The Orlando Sentinel, 13 May 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 1 Jun. 2025.
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cosmonaut
noun
cos·mo·naut
ˈkäz-mə-ˌnȯt
-ˌnät
: a Soviet or Russian astronaut
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