cosmonaut
noun
cos·mo·naut
ˈkäz-mə-ˌnȯt 
-ˌnät
: an astronaut of the Soviet or Russian space program
Examples of cosmonaut in a Sentence
Recent Examples on the Web
Roscomos cosmonaut Aleksandr Gorbunov making his first flight.
—
Richard Tribou, The Orlando Sentinel, 10 Mar. 2026
Here we’re offered what's sure to be a fascinating glimpse into the complex lives and loves of cosmonauts, scientists, engineers, researchers, intelligence leaders, and espionage agents working within the Soviet space program and their sacrifices made for the benefit of Earth.
—Jeff Spry, Space.com, 27 Feb. 2026
In his statement, Fincke thanked his Crew-11 colleagues, along with NASA astronaut Chris Williams and Russian cosmonauts Sergey Kud-Sverchkov and Sergei Mikaev, who were also aboard the space station at the time and are still in space.
—Denise Chow, NBC news, 25 Feb. 2026
Aurora lights shimmering over Earth were captured from space by a Roscosmos cosmonaut aboard the International Space Station during the strongest solar storm in two decades.
—Alexandra Banner, CNN Money, 22 Jan. 2026
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Richard Tribou, The Orlando Sentinel, 10 Mar. 2026
Here we’re offered what's sure to be a fascinating glimpse into the complex lives and loves of cosmonauts, scientists, engineers, researchers, intelligence leaders, and espionage agents working within the Soviet space program and their sacrifices made for the benefit of Earth.
—Jeff Spry, Space.com, 27 Feb. 2026
In his statement, Fincke thanked his Crew-11 colleagues, along with NASA astronaut Chris Williams and Russian cosmonauts Sergey Kud-Sverchkov and Sergei Mikaev, who were also aboard the space station at the time and are still in space.
—Denise Chow, NBC news, 25 Feb. 2026
Aurora lights shimmering over Earth were captured from space by a Roscosmos cosmonaut aboard the International Space Station during the strongest solar storm in two decades.
—Alexandra Banner, CNN Money, 22 Jan. 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 12 Mar. 2026.
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cosmonaut
noun
cos·mo·naut
ˈkäz-mə-ˌnȯt
-ˌnät
: a Soviet or Russian astronaut
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