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
Soviet cosmonaut Yuri Gagarin had become the first human to voyage into space just a month before, with American astronaut Alan Shepard close on his heels.
—
Sarah D. Wire, USA Today, 23 Mar. 2026
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, 22 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
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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Sarah D. Wire, USA Today, 23 Mar. 2026
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, 22 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
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 1 Apr. 2026.
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cosmonaut
noun
cos·mo·naut
ˈkäz-mə-ˌnȯt
-ˌnät
: a Soviet or Russian astronaut
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