astronaut

[as-truh-nawt, -not] / ˈæs trəˌnɔt, -ˌnɒt /

NOUN

space explorer

Synonyms

STRONGEST

cosmonaut pilot

WEAK

moonwalker rocket scientist rocketeer space person star person

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.

And from the Orion capsule, Canadian astronaut Jeremy Hansen said the crew was "feeling pretty good up here on our way to the Moon".

From BBC • Apr. 2, 2026

Mission controllers in Houston, however, were able to work with astronaut Christina Koch to put in a fix.

From The Wall Street Journal • Apr. 2, 2026

But Hansen saw in his compatriot much of what he aspired to be: a fighter pilot and an astronaut.

From BBC • Apr. 2, 2026

"The moon is a witness plate to our entire solar system's formation," said astronaut Koch in a press conference over the weekend.

From Barron's • Apr. 1, 2026

Now, she was an astronaut clipped from her vessel, floating endlessly in endlessness, with no possibility of ever returning.

From "A Heart in a Body in the World" by Deb Caletti