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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

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

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

The astronaut corps has become far more diverse since Dwight's era.

From Barron's • Apr. 1, 2026

This was more commonly known as a “spacesuit” because it looked like something an astronaut would wear.

From "City Spies" by James Ponti