cosmonaut
Americannoun
noun
Other Word Forms
Etymology
Origin of cosmonaut
1955–60; cosmo- + (aero)naut, representing Russian kosmonávt
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Vocabulary lists containing cosmonaut
Example Sentences
Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.
In March 1995 Valeri Polyakov, a Russian cosmonaut, returned to Earth after a record 14 consecutive months in space.
From The Wall Street Journal ● Feb. 19, 2026
This late uncertainty is just the most recent twist for the SpaceX Crew-12 mission, which includes Americans Jessica Meir and Jack Hathaway, French astronaut Sophie Adenot and Russian cosmonaut Andrey Fedyaev.
From Barron's ● Feb. 5, 2026
Fedyaev will make history as the first cosmonaut to fly twice on Dragon.
From Science Daily ● Feb. 2, 2026
Fitting for an artist who once put himself through the physical rigors of cosmonaut training, the show feels like a dialogue between opposing forces — boundlessness and constraint, presence and absence.
From Los Angeles Times ● Oct. 16, 2025
All five women earned full military and cosmonaut status, but only one would be picked to go into space.
From "Women in Space" by Karen Bush Gibson
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