- any unexplained moving object observed in the sky, especially one assumed by some observers to be of extraterrestrial origin.
Origin of UFO
Examples from the Web for ufo
Contemporary Examples of ufo
At that point, a sphere lit up, resembling the landing of the UFO in E.T., and the overheard lights descended on the stage.I'm Not Country or Pop. I'm Just Pure Garth Brooks.
September 10, 2014
Long speculated to be a UFO research center, Burlington has been the subject of rampant conspiracies for decades.Britain’s Nuke-Proof Underground City
June 26, 2014
There is a lot of elaborate make-up and costuming, and then a UFO arrives.Punks, UFOs, and Heroin: How ‘Liquid Sky’ Became a Cult Movie
June 2, 2014
I must have done a double-take, like the Navy pilot who sees a UFO outside his cockpit.A History of American Fun
February 9, 2014
Not even Dennis Kucinich, who has spoken of his own UFO encounter before, took the deal.Citizen Hearing on Disclosure, a Faux Hearing About Alien Encounters
May 2, 2013
- unidentified flying object
1953, abbreviation of Unidentified Flying Object, which is attested from 1950.