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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.

"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

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

From BBC • Mar. 15, 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

Beijing’s growing undersea military capabilities “represent a serious challenge,” including the production of formidable next-generation subs that feature “advanced technologies that challenge the U.S. Navy’s longstanding undersea dominance,” Vice Adm.

From The Wall Street Journal • Mar. 3, 2026

When they returned, it was like an undersea cave, blanched by the ocean.

From "Dreaming in Cuban" by Cristina García