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unidentified flying object

see definition of unidentified flying object
  • noununknown flying object
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Synonyms for unidentified flying object

noun unknown flying object
  • UFO
  • extraterrestrial spacecraft
  • flying saucer
  • spacecraft
  • spaceship

More words related to unidentified flying object

flying saucer

noun. spaceship
  • UFO
  • extraterrestrial spacecraft
  • extraterrestrial vessel
  • spacecraft
  • spaceship
  • unidentified flying object

spacecraft

noun. spaceship
Roget's 21st Century Thesaurus, Third Edition Copyright © 2013 by the Philip Lief Group.