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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

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

Deep within the warship, behind a locked door in a windowless control room called the Combat Information Center, seasoned sub-hunters listen for sonar pings flagging an undersea target.

From The Wall Street Journal • Feb. 11, 2026

I was exhausted—fighting undersea monsters had used up what little reserves I had left.

From "City of the Plague God" by Sarwat Chadda