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.

The phenomenon is "something that we have not witnessed often," the mission's backup astronaut Jenni Gibbons told AFP.

From Barron's • Apr. 8, 2026

"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

With communications re-established, astronaut Christina Koch said: "It's so great to hear the Earth again."

From BBC • Apr. 6, 2026

I would never be able to be a surgeon or an astronaut or an actress, no matter how angrily I proclaimed I would be.

From "Insignificant Events in the Life of a Cactus" by Dusti Bowling