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.
The spacecraft was then hoisted onto a specialized ship, and the four occupants -- Meir, American Jack Hathaway, French astronaut Sophie Adenot and Russian cosmonaut Andrei Fedyaev -- were helped out one by one.
From Barron's ● Oct. 8, 2026
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
Fedyaev will make history as the first cosmonaut to fly twice on Dragon.
From Science Daily ● Feb. 2, 2026
In 1985, Soviet cosmonaut Vladimir Vasyutin and his colleagues returned four months ahead of schedule from a mission to the Salyut 7 space station due to a urological issue.
From BBC ● Jan. 14, 2026
Yet cosmonaut shares its last syllable with the American term.
From "Women in Space" by Karen Bush Gibson
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