| alien(noun, adjective, celestial, extraterrestrial, aeronaut) | |
| extraterrestrial(noun, adjective, alien, celestial) | |
| space being(noun, being, alien) | |
| astronaut(noun, aeronaut) | |
| extraterrestrial visitor | |
| intelligent life form(noun, expression, idiom, extraterrestrial) | |
| astro-navigator(noun, aeronaut) | |
| spaceman(noun, astronaut, aeronaut) | |
| ET | |
| man from Mars | |
| space traveler(noun, expression, astronaut) | |
| visitor from another planet | |
| aeronaut(noun, aeronaut) | |
| airman(noun, aeronaut) | |
| aviator(noun, aeronaut) | |
| balloonist(noun, aeronaut) | |
| captain(noun, aeronaut) | |
| copilot(noun, aeronaut) | |
| cosmonaut(noun, aeronaut) | |
| flier(noun, aeronaut) |
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| APA | Smart Define. (2015). martian thesaurus. Retrieved September 20, 2026, from https://smartdefine.org/martian/thesaurus/synonyms |
| Chicago | Smart Define. 2015. "martian thesaurus" https://smartdefine.org/martian/thesaurus/synonyms (accessed September 20, 2026). |
| Harvard | Smart Define 2015, martian thesaurus, Smart Define, viewed 20 September, 2026, <https://smartdefine.org/martian/thesaurus/synonyms>. |
| MLA | Smart Define. "martian thesaurus" 14 April 2015. Web. 20 September 2026. <https://smartdefine.org/martian/thesaurus/synonyms> |