Simple meaning
What does Astronaut mean?
An astronaut is a trained space traveler.
Dictionary definition
Astronaut means a person trained to travel and work in space.
Example sentences
Astronaut in a sentence
easy
In science class, we learned what astronaut means.
medium
The reading passage used astronaut to explain an Earth and space science idea.
hard
During a classroom model activity, using astronaut correctly made our explanation more precise.
Synonyms
Words like Astronaut
space travelerRelated meaning; check context for exact use.
crew memberRelated meaning; check context for exact use.
space explorerRelated meaning; check context for exact use.
Antonyms
Opposite words
passengerHelpful contrast for understanding meaning.
observerHelpful contrast for understanding meaning.
Word family
Astronaut word family
Base word
astronaut
noun
astronaut
Base form.
Related words
Explore related words
Quick practice
Try Astronaut
Practice 1
What does astronaut mean?
Astronaut means an astronaut is a trained space traveler.
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Use the dictionary to understand Astronaut, then move into short activities matched to the skills on this page.
Learning paths
- Define the Word Hive for word meanings.
- Synonym Search for word choice.
- Context Clue Challenge for sentence clues.
- Buzz Between for homophones and listening.
- Hive Builder for roots, prefixes, and suffixes.