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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

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

US submarine forces commander Vice Admiral Richard Seif told an American congressional committee this week that China's "formidable" next-generation submarines "challenge the US Navy's longstanding undersea dominance".

From Barron's • Mar. 6, 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

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

From "City of the Plague God" by Sarwat Chadda