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
The council will decide at a Thursday meeting whether to protect deep-sea corals from bottom fishing gear at undersea areas known as Sur Ridge or the Año Nuevo or Ascension canyons or all three. Summer Lin, Los Angeles Times, 7 Mar. 2024 Internet service across swaths of Asia, Europe and the Middle East have been disrupted following damages to undersea cables of major providers to the areas. Chris Morris, Fortune, 4 Mar. 2024 Léa Seydoux Samir Hussein Arms deserve capes, too, and between the bubble-like pattern and the barnacle-like embellishments, Seydoux looks like an undersea witch in the very best way. Elizabeth Logan, Glamour, 26 Feb. 2024 When Taiwan first started discussions with SpaceX about StarLink in 2019, officials had hoped to secure communications that weren’t reliant on its undersea cables. David Jeans, Forbes, 24 Feb. 2024 Two years later, the British Society of Underwater Photographers was founded, inspiring decades of undersea image-making. Christian Thorsberg, Smithsonian Magazine, 23 Feb. 2024 On August 10, more than one hundred people crowded into the Island Hall to hear the company’s representatives announce a new venture: an undersea cable that would run across Longis Common and link the French and British electricity grids. Rebecca Panovka, Harper's Magazine, 9 Feb. 2024 Friday’s unveiling of those findings follows a sea floor survey the researchers conducted in April, their second of two undersea dump sites in a stretch of ocean between Long Beach and Santa Catalina Island. Maura Fox, San Diego Union-Tribune, 8 Jan. 2024 Millions are being invested in new battery technology that performs better in the cold that will find its way from military, aerospace and undersea applications into electric vehicles, Dasgupta said. Tom Krisher, Fortune, 17 Jan. 2024

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 19 Mar. 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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