Initialism of unidentified flying object.
A vehicle designed to be launched into space.
A flying or apparently flying object of an unknown nature, especially one suspected to have been sent by extraterrestrial beings.
Find another word for flying-saucer. In this page you can discover 7 synonyms, antonyms, idiomatic expressions, and related words for flying-saucer, like: ufo, extraterrestrial spacecraft, extraterrestrial vessel, space-ship, spacecraft, spaceship and unidentified-flying-object.