un·der·sea
ˌən-dər-ˈsē 
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
Examples of undersea in a Sentence
Adjective
They are conducting undersea research.
Recent Examples on the Web
Michael Albertus, Foreign Affairs, 24 June 2025
Since 2023, five undersea cables and two pipelines were damaged in the Baltic, 16 cables around Taiwan, and one pipeline in the Red Sea have all been severed or damaged either deliberately or under suspicious circumstances.
—David Szondy
june 10, New Atlas, 10 June 2025
Deadline recently reported that Doug Liman is set to direct the undersea supernatural film with Christopher McQuarrie involved with the script.
—Natalie Sitek, Deadline, 3 June 2025
The Song Hang's grid-like paths last month, consistent with survey activity, were concentrated directly over and adjacent to Pacific undersea cables east of Japan and east of the Philippines.
—Micah McCartney, MSNBC Newsweek, 21 May 2025
See All Example Sentences for undersea
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Adjective
Crossing over polar regions shortens the distances that cargo vessels, airplanes, undersea cables, or intercontinental ballistic missiles must travel to reach their destinations.
—Michael Albertus, Foreign Affairs, 24 June 2025
Since 2023, five undersea cables and two pipelines were damaged in the Baltic, 16 cables around Taiwan, and one pipeline in the Red Sea have all been severed or damaged either deliberately or under suspicious circumstances.
—David Szondy
june 10, New Atlas, 10 June 2025
Deadline recently reported that Doug Liman is set to direct the undersea supernatural film with Christopher McQuarrie involved with the script.
—Natalie Sitek, Deadline, 3 June 2025
The Song Hang's grid-like paths last month, consistent with survey activity, were concentrated directly over and adjacent to Pacific undersea cables east of Japan and east of the Philippines.
—Micah McCartney, MSNBC Newsweek, 21 May 2025
See All Example Sentences for undersea
Cite this Entry
“Undersea.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/undersea. Accessed 3 Jul. 2025.
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