undersea
Americanadjective
adverb
adjective
Etymology
Origin of undersea
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.
A significant share of global web traffic passes through the Strait via undersea cables, largely servicing countries in the Gulf and South Asia.
From Barron's • Apr. 12, 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
As part of her training, she spent 18 days as an aquanaut living in an undersea habitat.
From BBC • Mar. 15, 2026
He was a true renaissance man—a best-selling author, an undersea adventurer, and a discoverer of long-lost ships.
From "Shipwrecked!" by Martin W. Sandler
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Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.