Synonyms|57Antonyms|0|Broader|4Narrower|15Related|17
15
astronaut(noun, mariner, explorer, aeronaut, rocketeer)
10
spaceman(noun, aeronaut)
6
pilot(noun, mariner, aeronaut, spaceman)
4
aviator(noun, mariner, aeronaut)
4
flier(noun, mariner, aeronaut)
3
alien(noun, aeronaut)
2
aeronaut(noun, mariner, aeronaut)
2
airman(noun, mariner, aeronaut)
2
balloonist(noun, mariner, aeronaut)
2
astro-navigator(noun, aeronaut)
2
birdman
2
captain(noun, aeronaut)
2
copilot(noun, aeronaut)
2
rocketeer(noun, pilot, astronaut, aeronaut, spaceman)
1
aviatrix
1
cosmonauts
1
glider pilot(expression, idiom, mariner)
1
man-bird
1
martian(noun, aeronaut)
1
passenger(noun, aeronaut)
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APASmart Define. (2015). cosmonaut thesaurus. Retrieved September 21, 2026, from https://smartdefine.org/cosmonaut/thesaurus/synonyms
ChicagoSmart Define. 2015. "cosmonaut thesaurus" https://smartdefine.org/cosmonaut/thesaurus/synonyms (accessed September 21, 2026).
HarvardSmart Define 2015, cosmonaut thesaurus, Smart Define, viewed 21 September, 2026, <https://smartdefine.org/cosmonaut/thesaurus/synonyms>.
MLASmart Define. "cosmonaut thesaurus" 14 April 2015. Web. 21 September 2026. <https://smartdefine.org/cosmonaut/thesaurus/synonyms>