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Definitions

UFO

[yoo-ef-oh, yoo-foh] / ˈyuˈɛfˈoʊ, ˈyu foʊ /


Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

UFO cabin crew also walked out on Friday at both Lufthansa and CityLine in a dispute over working conditions.

From Barron's • Apr. 13, 2026

Brazil’s UFO capital marks 30 years since alleged alien encounter.

From MarketWatch • Mar. 24, 2026

Spielberg went further, saying he had actually wanted to make “Close Encounters” — then just referred to as “The UFO Movie” — even before 1974’s “Sugarland Express.”

From Los Angeles Times • Mar. 13, 2026

When the agency released its findings in 2024, the UFO community criticized its first director, Sean Kirkpatrick, claiming the report was a smokescreen to conceal the secrets of Washington’s real alien encounters.

From The Wall Street Journal • Feb. 22, 2026

Audrey glanced at me knowingly, and not because of the obvious UFO reference.

From "We Are the Ants" by Shaun David Hutchinson