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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.

Those submarines were discovered over critical assets like undersea pipelines.

From The Wall Street Journal • Apr. 9, 2026

More than 90% of the UK's day-to-day internet traffic travels via these undersea cables.

From BBC • Apr. 9, 2026

Some of the crucial work done at Bell Labs might now seem mundane: for example, how to fabricate sheathing so undersea cables wouldn’t be chewed through by Toredo worms.

From The Wall Street Journal • Mar. 28, 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

The grass swayed and rustled around her like the tentacles of a gigantic undersea anemone.

From "The Son of Neptune" by Rick Riordan