unidentified flying object
Meaning
- Anything not readily explainable appearing to move through or be suspended in the air.
- Anything not readily explainable appearing to move through or be suspended in the air.
- (colloquial) An alien spacecraft.
Synonyms
Translations
Etymology
The phrase is usually attributed to US Air Force officer Edward J. Ruppelt (1923–1960) who coined it as a replacement of the terms flying saucer and flying disk.
Notes
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