undersea

American  

[uhn-der-see] / ˈʌn dərˌsi /

adjective

1. located, carried on, or used under the surface of the sea.

   undersea life.

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adverb

1. underseas.

undersea British  

/ ˈʌndəˌsiː /

adjective

1. below the surface of the sea

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Etymology

Origin of undersea

First recorded in 1605–15; under- + sea

Example Sentences

The same modeling approach could eventually help scientists simulate tsunamis triggered by undersea earthquakes.

From Science Daily

Finnish police have detained a vessel suspected of damaging an undersea telecoms cable running from Helsinki to Estonia across the Gulf of Finland.

From BBC

The routes of competing undersea cables are convoluted and geopolitically tangled.

From The Wall Street Journal

It is the destination for massive undersea cables that connect the U.S. to Asia.

From Los Angeles Times

U.S. national-security officials say the Chinese undersea expeditions offer fresh evidence of a growing threat from China in the Arctic region, known as the High North.

From The Wall Street Journal

Related Words

• submerged