astronaut

word

/ˈæstɹəˌnɑt/
AS-truh-nawt
/ˈæstɹənˌɔːt/
AS-truh-nawt

Definition

An astronaut is a person who is trained to travel and work in space.

Usage & Nuances

'Astronaut' is primarily used for people involved in space missions. In British English, 'astronaut' is standard, but you may also hear 'cosmonaut' (for Russian space program) and 'taikonaut' (for Chinese astronauts). Usually refers to professional, officially recognized space travelers.

Example Sentences

The astronaut wore a white suit.

basic

An astronaut travels to space in a rocket.

basic

She wants to be an astronaut when she grows up.

basic

Have you ever met an astronaut in real life?

natural

I think being an astronaut must be both exciting and scary.

natural

Astronauts have to train for years before going into space.

natural