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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.

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

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

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

Her face is black and puckered and oily now and seems to breathe all at once like an undersea creature.

From "Dreaming in Cuban" by Cristina García