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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

Their AC-1 undersea fiber could handle 40 gigabits per second, or more than 10,000 T-1 lines, which could easily generate more than $100 million a month.

From The Wall Street Journal • May 31, 2026

On Saturday the three defence ministers did not respond to a question from the BBC on whether the UUV technology project was aimed at countering Russian and Chinese undersea activities.

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 dim, undersea light filtered through the slits of the cellar windows.

From "The Bell Jar" by Sylvia Plath




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