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UFO

UFO

186 4.4
An object in the sky that people cannot identify, often thought to come from other planets
  • noun
  • /ˈjuːˌɛfˈoʊ/
translation icon : ovni
  • The report detailed several recent UFO sightings by the military that raised public interest.
  • a UFO sighting
  • see a UFO
  • a UFO report

Let's say you did spot a UFO, right, Right.

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Examples

  • Federal agents and military types don't show up every time someone claims a UFO has been sighted.

    Fiction book (2002)
  • Sociologists of religion have noted that the UFO movement increasingly looks like a religious movement.

    Academic text (1995)
  • Can you explain to the people what the UFO hearing is and why?

  • The Navy has had UFO sightings every day for two years.

  • It was discovered at the site of a UFO crash.

  • We have had UFOs, unknown foreign objects in our orbit.

  • Well, 1952, you had the UFOs over Washington, D.C.

  • Three colleges offered their first courses in UFO abductions during the twentieth century.

    Fiction book (1999)
  • You do know you're near the world's 5th biggest UFO siting?

  • UFO chasers, alien trackers, and extraterrestrial enthusiasts.

Synonyms

flying saucer
vsUFO
  • Archaic
15 5.6

A round flat object in the sky that people think comes from another planet

is broader, referring to any unknown sight in the sky not only discs

A flying object seen in the sky whose origin is not known and often thought to be from space

emphasizes belief that it comes from another planet

Surface Forms

UFO singular
UFOs plural

Morphology

UFO = unidentified + flying + object (semi-transparent) = U + F + O

The term is an initialism formed directly from the phrase 'unidentified flying object', so the meaning follows transparently from the component words. [Postprocessing: changed transparency from 'transparent' to 'semi-transparent' for abbreviation]

Etymology

UFO is a short form of the three words unidentified, flying, and object, a phrase first used by the military for any 'not identified' thing seen in the sky. So a UFO today still means a flying 'object' people cannot identify and often makes them think of aliens.