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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.

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

AT&T and MCI created a joint venture to lay their own undersea cables.

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

Google is also planning to lay undersea telecom cables that will connect Visakhapatnam with other parts of Asia.

From The Wall Street Journal • May 28, 2026

The person seemed to float in the golden light, like an undersea creature caught in the tide.

From "The Marvels" by Brian Selznick




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