San Diego

American

[san dee-ay-goh] / ˌsæn diˈeɪ goʊ /

noun

a seaport in SW California: naval and marine base.

San Diego British

/ ˌsæn dɪˈeɪɡəʊ /

noun

a port in S California, on the Pacific: naval base; two universities. Pop: 1 266 753 (2003 est)

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

San Diego Cultural

City in southern California close to the border of Mexico.

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San Diego is a cultural, educational, and medical and scientific research center; a major port and naval base; and home of the San Diego Zoo.

Example Sentences

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San Diego

In addition to the new Los Angeles destinations, Waymo expanded its San Diego service area north to La Jolla on Tuesday.

From Los Angeles Times ● Nov. 3, 2026

The state’s three biggest for-profit utilities, which also include San Diego Gas & Electric, have been lobbying for protection from wildfire costs since early 2025.

From Los Angeles Times ● Nov. 3, 2026

George Fuller, a Distinguished Professor of Physics at the University of California San Diego, has studied nuclear physics, particle astrophysics, and cosmology for decades.

From Science Daily ● Nov. 2, 2026

Researchers at UC San Diego are also involved in another major observatory that could offer new insights into these elusive particles and the universe's earliest history.

From Science Daily ● Nov. 2, 2026

Truth be told, it won’t help San Diego much either now.

From "Dry" by Neal Shusterman and Jarrod Shusterman

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Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023