UFO

noun

ˌyü-(ˌ)ef-ˈō

ˈyü-(ˌ)fō

plural UFO's or UFOs ˌyü-(ˌ)ef-ˈōz

ˈyü-(ˌ)fōz

: a mysterious flying object in the sky that is sometimes assumed to be a spaceship from another planet : unidentified flying object

"All right." The President sighed. "Is there anybody around this table who thinks UFOs and this signal from Vega have anything to do with each other?"—

Carl Sagan

In 1966, the first UFO "abduction" was described in journalist John G. Fuller's book The Interrupted Journey.—

Keay Davidson

called also UAP, unidentified aerial phenomenon, unidentified anomalous phenomenon

Examples of UFO in a Sentence

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The film contends there has been an 80-year cover-up of the existence of non-human intelligent life and a secret war amongst major nations to reverse engineer UFO technology. —

James Hibberd, The Hollywood Reporter, 22 Jan. 2025 His photographs of spacecraft against serene Swiss landscape caused a sensation in the 1970s, propelling him to the status of a spiritual guru and a global authority in UFO studies. —

Jamie Lang, Variety, 21 Jan. 2025 What To Know In October, Jacob Barber told NewsNation that he had been involved in the recovery of alien technology while working for a reportedly under-the-radar UFO retrieval program. —

Justin Gest, Newsweek, 20 Jan. 2025 On YouTube, some viewers said this could be a UFO that was refueling by using the solar plasma. —

Ailsa Harvey, Space.com, 17 Jan. 2025 See all Example Sentences for UFO