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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.

"Sea mines and other explosive devices can cause acoustic disturbance impacting sea mammals and other animals, and blast damage to natural undersea structures such as reefs," Weir said.

From Barron's • Mar. 17, 2026

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

From The Wall Street Journal • Mar. 12, 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

In October, Google announced a $15 billion investment in data centers in southeastern India, as well as undersea cable links.

From The Wall Street Journal • Feb. 17, 2026

A dim, undersea light filtered through the slits of the cellar windows.

From "The Bell Jar" by Sylvia Plath