Definition, Meaning & Synonyms

ufo

noun
/ˈjuːɛfˌoʊ/
Definition
An unidentified flying object, often linked to alien spacecraft.
Examples
  • The pilot reported seeing a UFO during the night flight.
  • The town held a festival celebrating the mystery of UFO sightings.
  • Many people believe that UFOs are evidence of alien life in the universe.
Meaning
The term UFO refers to any aerial phenomenon that cannot be immediately identified. While the term is often associated with extraterrestrial vehicles, it can also apply to natural or manmade objects that are not recognizable at first glance.
Synonyms
  • flying saucer
  • extraterrestrial spacecraft
  • unidentified aerial phenomenon