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Definitions

ultra

[uhl-truh] / ˈʌl trə /


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.

Greece is the answer, but specifically Athens and Panathinaikos, where ultra fans lit smoky red flares and the atmosphere made Rupp Arena feel like a squash club.

From The Wall Street Journal • Mar. 23, 2026

The new metasurface takes the form of an ultra thin chip covered with tiny structures that are smaller than the wavelength of light itself.

From Science Daily • Feb. 5, 2026

The current ultra modern era evolved the market into investments, scarcity, and digitized the business with websites like Arena Club, which repackages pre-graded cards as slab packs.

From Los Angeles Times • Dec. 26, 2025

Credit cards and new financial technologies made that easily accessible, and ultra low interest rates made borrowing cheap.

From Barron's • Dec. 18, 2025

Here, though, is the Plus ultra of Joseph Glanvill, published in 1668.

From "The Invention of Science" by David Wootton