English dictionary, thesaurus, translations & etymology
FreeDict.com
noun

cosmonaut

KOZ-muh-nawt

Cosmonaut (noun) means an astronaut, especially one from Russia or the former Soviet Union. Example: “Yuri Gagarin became the first cosmonaut to orbit the Earth in 1961.”

noun
1
An astronaut, especially one from Russia or the former Soviet Union.
"Yuri Gagarin became the first cosmonaut to orbit the Earth in 1961."

How to use cosmonaut

Learner’s notes

In plain EnglishThe Russian/Soviet word for a space traveler, roughly equivalent to "astronaut."

Easily confused with

Word forms

cosmonauts plural

Study it as flashcards or scroll it in Flow — saved to your collection.
Test yourself on “cosmonaut” A quick quiz — meaning, synonyms & usage

Fill the gap

Can you complete this real example?

Yuri Gagarin became the first _____ to orbit the Earth in 1961.

Etymology

From Russian kosmonavt, built from Greek kosmos ("universe") and nautes ("sailor") — the Russian counterpart to "astronaut."

Origin: Greek

Related words

Rhymes for cosmonaut

See all rhymes for cosmonaut →

Frequently asked questions

What does “cosmonaut” mean?

The word “cosmonaut” means an astronaut, especially one from Russia or the former Soviet Union. In plain terms, the Russian/Soviet word for a space traveler, roughly equivalent to "astronaut.".

How do you pronounce “cosmonaut”?

“Cosmonaut” is pronounced KOZ-muh-nawt (/ˈkɑz.məˌnɔt/ in IPA).

How do you use “cosmonaut” in a sentence?

Here is “cosmonaut” used in a sentence: “Yuri Gagarin became the first cosmonaut to orbit the Earth in 1961.”

What part of speech is “cosmonaut”?

“Cosmonaut” is a noun.

Where does the word “cosmonaut” come from?

The word “cosmonaut” comes from Greek. From Russian kosmonavt, built from Greek kosmos ("universe") and nautes ("sailor") — the Russian counterpart to "astronaut.".

Featured in

People also searched

Definitions: FreeDict original editorial