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
In November, Russian cosmonaut Oleg Artemyev -- who had long been planned to be a member of Crew-12 -- was suddenly taken off the mission.
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
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
During the political upheaval of the uncertain 1990s, the third female Russian cosmonaut was in training.
From "Women in Space" by Karen Bush Gibson
Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.
