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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

Everything Global Crossing forecast in undersea demand—per bit—happened and more, but at way lower prices.

From The Wall Street Journal • May 31, 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

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

“The might of the gods is tied to their seats of power. You saw what happened to Poseidon once his undersea palace was attacked.”

From "The Last Olympian" by Rick Riordan




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