Synonyms|6Antonyms|0|Broader|6Narrower|0Related|0
5
UFO(noun, unknown)
4
flying saucer(noun, unknown, spaceship)
1
spacecraft(noun, unknown, spaceship)
0
extraterrestrial spacecraft(noun, unknown)
0
space capsule
0
spaceship(noun, unknown)
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APASmart Define. (2013). unidentified flying object thesaurus. Retrieved September 20, 2026, from https://smartdefine.org/unidentified_flying_object/thesaurus/synonyms
ChicagoSmart Define. 2013. "unidentified flying object thesaurus" https://smartdefine.org/unidentified_flying_object/thesaurus/synonyms (accessed September 20, 2026).
HarvardSmart Define 2013, unidentified flying object thesaurus, Smart Define, viewed 20 September, 2026, <https://smartdefine.org/unidentified_flying_object/thesaurus/synonyms>.
MLASmart Define. "unidentified flying object thesaurus" 18 May 2013. Web. 20 September 2026. <https://smartdefine.org/unidentified_flying_object/thesaurus/synonyms>