Synonyms|6Antonyms|0|Broader|6Narrower|0Related|0

5 entries under unknown topic. ×

5
UFO
4
flying saucer(noun, spaceship)
1
spacecraft(noun, spaceship)
0
extraterrestrial spacecraft
0
spaceship
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APASmart Define. (2013). unidentified flying object thesaurus. Retrieved September 25, 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 25, 2026).
HarvardSmart Define 2013, unidentified flying object thesaurus, Smart Define, viewed 25 September, 2026, <https://smartdefine.org/unidentified_flying_object/thesaurus/synonyms>.
MLASmart Define. "unidentified flying object thesaurus" 18 May 2013. Web. 25 September 2026. <https://smartdefine.org/unidentified_flying_object/thesaurus/synonyms>