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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 Navy has previously trained External link bottlenose dolphins and sea lions, chiefly for reconnaissance and recovering objects like undersea mines.

From Barron's • May 14, 2026

There are around 60 undersea cables which come ashore at several parts along the UK coastline, particularly around East Anglia and South West England.

From BBC • Apr. 9, 2026

Britain’s military exposed a month-long, secret Russian submarine operation targeting U.K. undersea infrastructure.

From The Wall Street Journal • Apr. 9, 2026

"Sea mines and other explosive devices can cause acoustic disturbance impacting sea mammals and other animals, and blast damage to natural undersea structures such as reefs," Weir said.

From Barron's • Mar. 17, 2026

Roz glided over the edge of an undersea cliff, and with the storm still raging above, she dove straight down into the gloom.

From "The Wild Robot Protects" by Peter Brown




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