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Word of the Day Wednesday, June 10, 2026

cosmonaut

/kɒzˈmɒnɔːt/ noun · British & US
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What does cosmonaut mean?

noun

A person who travels in space, especially as an astronaut on a spacecraft.

Example

"The cosmonaut spent six months on the International Space Station."

Definition generated by AI and curated by RJS Tech Solutions LLP.

Synonyms for cosmonaut

Antonyms of cosmonaut

Rhymes with cosmonaut

Etymologically related