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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.

The Procure Space exchange-traded fund, which trades under the symbol UFO, was more than 20% above its 50-day moving average, coming into Monday trading.

From Barron's • Jun. 1, 2026

To see just how far ETFs have drifted from the investment mainstream, look at the Tuttle Capital UFO Disclosure ETF.

From The Wall Street Journal • May 22, 2026

If Spielberg’s earlier UFO movies gave us awe, comfort and catastrophe, this one feels like an encounter of a fourth kind: What happens when the cover story breaks?

From Los Angeles Times • May 14, 2026

The Procure Space ETF, which trades under the ticker UFO and is based on an index of space stocks, is up more than 40% this year.

From Barron's • May 11, 2026

If their UFO keys fall off the console—boom!—instant arm.

From "We Are the Ants" by Shaun David Hutchinson




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