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undersea

[ uhn-der-see ]
/ ˈʌn dərˌsi /
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adjective
located, carried on, or used under the surface of the sea: undersea life.
adverb
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Origin of undersea

First recorded in 1605–15; under- + sea
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

How to use undersea in a sentence

British Dictionary definitions for undersea

undersea
/ (ˈʌndəˌsiː) /

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
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