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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

By 2002 the cost of undersea T-1 lines dropped to $1,000 a month, down more than 90%.

From The Wall Street Journal • May 31, 2026

The US, UK and Australia say they will develop underwater drone technology to protect undersea cables and boost defence, under their military alliance known as Aukus.

From BBC • May 30, 2026

I saw the undersea palace of my father.

From "The Last Olympian" by Rick Riordan




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