A person who is trained to travel and work in space.
Examples:
The training for an astronaut is exceptionally rigorous.Becoming an astronaut requires years of dedication and study.The mission commander, a seasoned astronaut, led the team.
Synonyms:
Antonyms:
Cosmonaut
A person who travels in outer space, typically for the Soviet or Russian space programs
Examples:
The cosmonaut gazed at the distant stars in awe.A cosmonaut's suit is designed for extreme conditions.Training a cosmonaut requires rigorous mental preparation.
Synonyms:
Antonyms:
This word has no antonyms
Ways to tell them apart:
Both words refer to space travelers, but cosmonaut is used in a different context than astronaut.
A cosmonaut is specifically associated with the Russian or Soviet space program.
An astronaut is associated with American and other worldwide space programs outside of Russia.
Remember cosmonaut as it relates to cosmos, a term often used in Russian to denote space.
Use astronaut when referring to space travelers from NASA or other non-Russian space agencies.