undersea

[uhn-der-see]

SEE MORE SYNONYMS FOR undersea ON THESAURUS.COM

adjective

located, carried on, or used under the surface of the sea: undersea life.

adverb

underseas.

Origin of undersea

First recorded in 1605–15; under- + sea

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for undersea

Contemporary Examples of undersea

Think advanced unmanned vehicles, all-aspect, broadband stealth, and undersea warfare.
The Pentagon May Finally Have a Plan to Keep America on Top
Bill Sweetman
November 3, 2014
The artifacts came from undersea dives and excavations from the area, which has been inhabited for at least 3,000 years.
Israel’s Tiniest Breakaway State
Nina Strochlic
June 12, 2014

Historical Examples of undersea

The undersea reaches lay ahead of him, and the way was clear.
Under Arctic Ice
H.G. Winter
The trees were oddly like undersea growths, which puzzled me for an instant.
Astounding Stories of Super-Science, March 1930
Various
These seem to have been used, at least, to operate doors of undersea crafts.
No Moving Parts
Murray F. Yaco
Undersea, submarine; underspan, subtend; underslinking, subterfuge.
An Outline of English Speech-craft
William Barnes
Fields of undersea, the lines faint brown in grass, buried cities.
Ulysses
James Joyce

British Dictionary definitions for undersea

undersea

adjective, adverb Also: underseas (ˌʌndəˈsiːz)

below the surface of the sea

Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Word Origin and History for undersea

1610s, from under + sea.