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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 Navy has previously trained External link bottlenose dolphins and sea lions, chiefly for reconnaissance and recovering objects like undersea mines.

From Barron's • May 14, 2026

Healey warned Russia of “serious consequences” for future damage, amid broader Western concerns about Russian and Chinese undersea activity.

From The Wall Street Journal • Apr. 9, 2026

Last year, the Royal Navy unveiled plans for a network of drones, warships and surveillance aircraft aimed at protecting vital undersea infrastructure.

From BBC • Apr. 8, 2026

Will he bow to US pressure to nix a project to link China and Chile across the Pacific via an undersea fiber optic cable?

From Barron's • Mar. 12, 2026

“The might of the gods is tied to their seats of power. You saw what happened to Poseidon once his undersea palace was attacked.”

From "The Last Olympian" by Rick Riordan




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