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
Adjective
Laura Rink, associate director of operations for Heal the Bay Aquarium, greets me with a friendly smile and ushers me inside, past undersea murals and aquaria housing moon jellies, sharks, and moray eels. Jennifer Adler, Vox, 7 July 2024 At stake are fishing rights, access to undersea oil reserves, and other natural resources, as well as the possibility of establishing military outposts. David Rising, The Christian Science Monitor, 18 June 2024 Cunard’s Queen Elizabeth is operating roundtrip Vancouver sailings, bringing onboard topflight lecturers ranging from adventure traveler Bear Grylls to undersea archaeologist Mensun Bound on select voyages. Scott Laird, Condé Nast Traveler, 3 Mar. 2023 As human intelligence becomes harder to obtain, the United States must increasingly rely on the largest constellation of sensors of any country, ranging from undersea to outer space. Eric Schmidt, Foreign Affairs, 28 Feb. 2023 See all Example Sentences for undersea 

These examples are programmatically compiled from various online sources to illustrate current usage of the word 'undersea.' Any opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback about these examples.

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 24 Jul. 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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