unidentified flying object
An unidentified flying object photographed in Belgium in 1990.
Meaning
Noun
- Anything not readily explainable appearing to move through or be suspended in the air, primarily used to refer to objects that seem to be at least of small familiar aircraft size. Abbreviated UFO.
- An alien spacecraft. More commonly called a UFO.
Related
Similar words
- UFO
- UAP, unidentified aerial phenomenon, unexplained aerial phenomenon
- flying saucer
Origin
- The phrase is usually attributed to Edward J. Ruppelt who coined it as a replacement of the terms flying saucer and flying disk.
Modern English dictionary
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