undersea

adjective un·der·sea \ ˌən-dər-ˈsē \

Updated on: 4 May 2018

Definition of undersea

1 : being or carried on under the sea or under the surface of the sea

undersea oil deposits

undersea fighting

2 : designed for use under the surface of the sea

an undersea fleet

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Examples of undersea in a Sentence

They are conducting undersea research.

Recent Examples of undersea from the Web

The resort on the island republic already operates Ithaa, the world's first undersea restaurant, which opened 13 years ago.

— mary forgione, latimes.com, "Underwater suite will allow you to watch the fish go by at Maldives resort," 25 Apr. 2018
Believe it or not, this is the Conrad's Rangali Island's second undersea venture—the first is Ithaa restaurant, which opened in 2005 and is also 16 feet below sea level.

— bridget hallinan, Condé Nast Traveler, "'World's First' Underwater Villa to Open in the Maldives Later This Year," 18 Apr. 2018
Even though several other hotels around the world including Dubai’s Atlantis, the Palm have underwater suites that look out onto aquarium, Conrad Maldives believes the Muraka will be the world’s first undersea villa.

— lyndsey matthews, Town & Country, "An Underwater Villa Is Coming to the Maldives Later This Year," 18 Apr. 2018
Carter was built with a Multi Mission Platform hull insert making it capable of launching and recovering underwater undersea vehicles, SEAL mini-submarines, and who knows what else.

— kyle mizokami, Popular Mechanics, "Here Are All the Fighting Submarines of the U.S. Navy," 11 Apr. 2018
Diehard believers, ceding no ground, cited global warming or the possibility of an undersea earthquake—thin satisfaction at best.

— a. roger ekirch, WSJ, "‘The Phantom Atlas’ Review: Maps With Gaps," 5 Apr. 2018
These tremblors occur mostly undersea or in uninhabited areas.

— special to the oregonian, OregonLive.com, "Quake expert Lucy Jones examines natural disaster and human denial in 'The Big Ones'," 18 Apr. 2018
Protections also were added for methane seeps, undersea areas where the gas leaking out of the ocean bottom helps sustain sea life.

— hal bernton, The Seattle Times, "Conservationists, West Coast bottom fishermen embrace ‘grand bargain’," 16 Apr. 2018
But the final episode of Blue Planet II was not about the wonders of undersea life.

— emily atkin, The New Republic, "The Global Crisis of Plastic Pollution," 16 Apr. 2018

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'undersea.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

First Known Use of undersea

1613

in the meaning defined at sense 1

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undersea

adverb \ ˌən-dər-ˈsēz \

variants: or underseas

Definition of undersea

: under the sea : beneath the surface of the sea

photographs taken undersea

First Known Use of undersea

1645

in the meaning defined above

See Words from the same year

NEW! Time Traveler

UNDERSEA Defined for English Language Learners

undersea

adjective

Definition of undersea for English Language Learners

: found, done, or used below the surface of the sea

UNDERSEA Defined for Kids

undersea

adjective un·der·sea \ ˈən-dər-ˈsē \

Definition of undersea for Students

1 : being or done under the sea or under the surface of the sea

an undersea volcano

2 : used under the surface of the sea

an undersea vessel

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See words that rhyme with undersea Spanish Central: Translation of undersea Nglish: Translation of undersea for Spanish speakers

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Definition of undersea

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undersea

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undersea

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undersea

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undersea

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