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Definitions

astronaut

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


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 Artemis II mission seeks to accomplish a lunar return with an astronaut flyby.

From The Wall Street Journal • Apr. 4, 2026

Artemis 2 astronaut Jeremy Hansen felt like he was "falling out of the sky" as his spacecraft followed its complex flight path to the Moon, the Canadian said in a Saturday video call.

From Barron's • Apr. 4, 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

As a child, he came across a page in an encyclopedia featuring Neil Armstrong and the picture of an astronaut on the Moon from the 1969 Apollo mission.

From BBC • Apr. 2, 2026

“At the time, Dr. Ochoa was an astronaut on board the International Space Station. In order to reach her laptop, I had to hack into NASA, the Department of Defense, and Roscosmos.”

From "City Spies" by James Ponti