unidentified flying object

unidentified flying objectnoun

• 1

  Anything not readily explainable appearing to move through or be suspended in the air.

  • The lights seen over the city last night, originally termed unidentified flying objects, turned out to be spotlights from a car dealership reflecting on low clouds.
  • The U.S. Air Force says, people have been reporting unidentified flying objects since around 1700—and probably a long time before that.
• 2

  Anything not readily explainable appearing to move through or be suspended in the air.

  • She said that the unidentified flying object then turned around, zoomed to a higher altitude, and loitered briefly before speeding off.
  • A spokesman said this about a revival of reports of unidentified flying objects, popularly known as flying saucers.
• 3

  An alien spacecraft.

  • He said that the strange beings then took him aboard their unidentified flying object and examined his body.