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Definitions

undersea

[uhn-der-see] / ˈʌn dərˌsi /


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 search for mines can include divers, unmanned undersea vehicles and specialized ships.

From The Wall Street Journal • Mar. 12, 2026

"It didn't stand a chance. The incident confirms the sophistication of the means of American undersea warfare."

From Barron's • Mar. 6, 2026

Amid the tensions with Washington, Nuuk secured funding from Copenhagen in October 2025 for a third undersea cable.

From Barron's • Mar. 3, 2026

U.K. and Australia formed a pact, known as Aukus, to help Canberra acquire nuclear subs and shore up Western undersea military technology—a development that added urgency to Beijing’s quest for more capable submarines.

From The Wall Street Journal • Mar. 3, 2026

The road made for easier walking, so Roz followed it through the undersea landscape.

From "The Wild Robot Protects" by Peter Brown