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.

While the final checks were being completed before now-retired British astronaut Tim Peake's trip to the International Space Station in 2015, he picked three songs.

From BBC • Apr. 10, 2026

Armstrong says US astronaut Christina Koch, who is part of the Artemis II crew, is very interested in "music in space".

From BBC • Apr. 10, 2026

“The Budget fully funds the lunar landers, space suits, lunar surface systems, and astronaut transportation systems necessary to safely and cost-effectively expand America’s presence to the surface of the Moon,” the budget reads in part.

From Salon • Apr. 9, 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

There are also pictures of the astronaut the Americans have put up in space.

From "Before We Were Free" by Julia Alvarez