unidentified flying object

1. 1.

   an (apparently) flying object whose nature is unknown; especially those considered to have extraterrestrial origins

   SynonymsUFOflying saucer

   Broaderapparition

Questions about unidentified flying object

What does unidentified flying object mean?

unidentified flying object means "an (apparently) flying object whose nature is unknown; especially those considered to have extraterrestrial origins".

What is another word for unidentified flying object?

Close synonyms include UFO, flying saucer. Each sense on this page lists its own synonyms, because a word with several meanings rarely has one substitute that works for all of them.