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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.

The UK is dependent on its undersea cables and pipelines for its data and energy.

From BBC • Apr. 9, 2026

As part of her training, she spent 18 days as an aquanaut living in an undersea habitat.

From BBC • Mar. 15, 2026

The search for mines can include divers, unmanned undersea vehicles and specialized ships.

From The Wall Street Journal • Mar. 12, 2026

"It didn't stand a chance. The incident confirms the sophistication of the means of American undersea warfare."

From Barron's • Mar. 6, 2026

The 14th Quartet might, for him, be a communication announcing, “Beethoven here,” answered, after passage through an undersea of time and submerged currents of human thought, by another long signal a century later, “Bartok here.”

From "The Lives of a Cell" by Lewis Thomas