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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.

His career has included Coast Guard search and rescue operations, maritime salvage missions, drug interdiction work, and research at the Johns Hopkins University Applied Physics Laboratory involving autonomous systems, space technologies, and undersea platforms.

From Science Daily • Jun. 11, 2026

Coastal desalination plants discharge ultra salty brine waste that can harm marine life, but the undersea pods release a less concentrated brine, which the company says is friendlier to the ecosystem.

From Los Angeles Times • Jun. 2, 2026

In December, the UK and Norway signed a pact to hunt Russian submarines in the North Atlantic to protect undersea cables.

From BBC • May 30, 2026

A significant share of global web traffic passes through the Strait via undersea cables, largely servicing countries in the Gulf and South Asia.

From Barron's • Apr. 12, 2026

He was a true renaissance man—a best-selling author, an undersea adventurer, and a discoverer of long-lost ships.

From "Shipwrecked!" by Martin W. Sandler




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