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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Luke Delaney, Canadian Space Agency astronaut Joshua Kutryk and Roscosmos cosmonaut Sergey Teteryatnikov.
—
Richard Tribou, The Orlando Sentinel, 30 May 2026
There's also an inescapable sense of cosmonauts being forced to live on the edge far more than their astronaut counterparts.
—Richard Edwards, Space.com, 29 May 2026
As the story opens in 1969, a cosmonaut is becoming the first ever man to walk on the moon — not that his wife is aware of this when she’s hauled from her bed by the KGB in the dead of night to watch his landing.
—Angie Han, HollywoodReporter, 28 May 2026
Tito went through cosmonaut training for eight months at Russia’s Star City, including grueling 8G centrifuge tests, without not knowing if he would be permitted on the flight.
—Michael Goldstein, Forbes.com, 24 May 2026
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Richard Tribou, The Orlando Sentinel, 30 May 2026
There's also an inescapable sense of cosmonauts being forced to live on the edge far more than their astronaut counterparts.
—Richard Edwards, Space.com, 29 May 2026
As the story opens in 1969, a cosmonaut is becoming the first ever man to walk on the moon — not that his wife is aware of this when she’s hauled from her bed by the KGB in the dead of night to watch his landing.
—Angie Han, HollywoodReporter, 28 May 2026
Tito went through cosmonaut training for eight months at Russia’s Star City, including grueling 8G centrifuge tests, without not knowing if he would be permitted on the flight.
—Michael Goldstein, Forbes.com, 24 May 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 10 Jun. 2026.
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cosmonaut
noun
cos·mo·naut
ˈkäz-mə-ˌnȯt
-ˌnät
: a Soviet or Russian astronaut
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