Initialism of unidentified flying object.
An unidentified flying object of presumed extraterrestrial origin, typically described as a luminous moving disk.
A vehicle designed to be launched into space.
Find another word for unidentified-flying-object. In this page you can discover 6 synonyms, antonyms, idiomatic expressions, and related words for unidentified-flying-object, like: extraterrestrial spacecraft, ufo, flying-saucer, spaceship, alien craft and spacecraft.