Meaning & use
astronaut
A person who is trained to travel and work in a spacecraft.
See it in a sentence
The astronaut spent six months conducting experiments aboard the space station.
Many children dream of becoming an astronaut and walking on the moon.
A note on using this word
Cosmonaut is the equivalent term traditionally used for Russian and Soviet space travelers.
Words with a similar meaning
cosmonautspaceman
Choose a synonym to suit the sentence. Meanings can overlap without being identical.
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