Definitions for ufoˈyuˈɛfˈoʊ; sometimes ˈyu foʊ

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Random House Webster's College Dictionary

UFOˈyuˈɛfˈoʊ; sometimes ˈyu foʊ(n.)(pl.)UFOs, UFO's.

  1. unidentified flying object: any unexplained moving object observed in the sky, esp. one assumed to be of extraterrestrial origin.

    Category: Common Vocabulary, Aerospace

Origin of UFO:

1950–55

Princeton's WordNet

  1. unidentified flying object, UFO, flying saucer(noun)

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

Kernerman English Learner's Dictionary

  1. UFO(noun)ˈyuˈɛfˈoʊ; sometimes ˈyu foʊ

    unidentified flying object; an object seen in the sky that people cannot explain

Wiktionary

  1. UFO(Noun)

    An unidentified flying object.

  2. UFO(Noun)

    An alien spacecraft.

  3. ufo(Noun)

    A UFO.

  4. Origin: Reading of UFO as a word in its own right.


Translations for ufo

Kernerman English Multilingual Dictionary

UFO(noun)

Unidentified Flying Object

a spacecraft that is believed to come from other planets.

Get even more translations for ufo »


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