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
The incidents came just weeks after the United States warned that Moscow was likely to target critical undersea infrastructure. Sophie Tanno, CNN, 29 Nov. 2024 Where Wilshire Boulevard begins in downtown Los Angeles, thousands of miles of undersea fiber-optic cables disappear into an ordinary-looking office tower. Roger Vincent, Los Angeles Times, 27 Sep. 2024 That and the submersible's unconventional design subjected the Titan to scrutiny in the undersea exploration community. CBS News, 16 Sep. 2024 The implosion that morning set off a worldwide debate about the future of private undersea exploration. Greg Wehner, Fox News, 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 18 Dec. 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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