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
Scheduled to be scrapped in Mexico, it was purchased by undersea design company DEEP. David Szondy, New Atlas, 27 Oct. 2024 But the study suggests that some octopuses have surprisingly rich social lives — a finding that opens a new window into the marvels of undersea life. Evan Bush, NBC News, 23 Sep. 2024 The deadly accident set off a worldwide debate about the future of private undersea exploration. Patrick Whittle, Fortune, 20 Sep. 2024 That and Titan's unusual design subjected it to scrutiny in the undersea exploration community. CBS News, 26 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 27 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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