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.

"It's fun to be up in space with you at the same time!" said Canadian astronaut and Artemis II crewmember Jeremy Hansen.

From Barron's • Apr. 7, 2026

We also saw the debut of Poetic Kinetics’ “Escape Velocity,” a.k.a. the Coachella astronaut, and the mirrored “Reflection Fields” by Phillip K. Smith among the festival’s major art installations.

From Los Angeles Times • Apr. 6, 2026

Canadian astronaut Jeremey Hansen acknowleged the achievement with humility.

From BBC • Apr. 6, 2026

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

From The Wall Street Journal • Apr. 4, 2026

I didn’t even get enough time to talk about becoming an astronaut and walking on Mars, or my favorite experiments or my best furry friend, Sir Fig.

From "Sir Fig Newton and the Science of Persistence" by Sonja Thomas