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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

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

A 2024 analysis by the consulting firm Arthur D. Little put the potential commercial value of the undersea minerals at $20 trillion.

From The Wall Street Journal • May 17, 2025

His undersea adventures sold tens of millions of copies.

From "Shipwrecked!" by Martin W. Sandler




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