undersea

1 of 2

adjective

un·​der·​sea ˌən-dər-ˈsē How to pronounce undersea (audio)
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

undersea

2 of 2

adverb

variants or underseas
: under the sea : beneath the surface of the sea
photographs taken undersea

Examples of undersea in a Sentence

Adjective They are conducting undersea research.
Recent Examples on the Web
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Adjective
That and Titan's unusual design subjected it to scrutiny in the undersea exploration community. CBS News, 26 Sep. 2024 A number of factors are breaking down Titanic, including undersea currents, corrosive salt water and a microbe, a metal-hungry bacterium. George Petras, USA TODAY, 21 Sep. 2024 The second paleoclimate project extracted sediment cores from undersea peaks to chart how far seaward Thwaites extended in recent centuries. Bypaul Voosen, science.org, 19 Sep. 2024 The Titan imploded on June 18, 2023, killing all five on board and setting off a worldwide debate about the future of private undersea exploration. Patrick Whittle, Fortune, 16 Sep. 2024 See all Example Sentences for undersea 

Word History

First Known Use

Adjective

1613, in the meaning defined at sense 1

Adverb

1645, in the meaning defined above

Time Traveler
The first known use of undersea was in 1613

Dictionary Entries Near undersea

Cite this Entry

“Undersea.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/undersea. Accessed 17 Nov. 2024.

Kids Definition

undersea

adjective
un·​der·​sea
ˈən-dər-ˈsē
1
: being or carried on under the sea or under the surface of the sea
undersea oil deposits
undersea warfare
2
: designed for use under the surface of the sea
undersea fleet

More from Merriam-Webster on undersea

Last Updated: - Updated example sentences
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