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
Arick Wierson, MSNBC Newsweek, 16 Apr. 2025
Prosecutors say the man was captain of the Chinese-crewed Hong Tai 58, registered in Togo, which Taiwanese authorities detained after suspecting the ship had dropped anchor near an undersea cable off southwestern Taiwan, damaging it.
—Reuters, CNN Money, 11 Apr. 2025
Shopping malls, warehouses, undersea cables and railways in Europe have all been hit over the past two years in what the Center for Strategic and International Studies describes as a drive to sow havoc led by Russia’s military intelligence service, the GRU.
—Tomas Dapkus, New York Times, 10 Apr. 2025
That is because undersea cables sustain the world’s international internet traffic, financial transactions and diplomatic exchanges.
—John Calabrese, The Conversation, 10 Apr. 2025
See All Example Sentences for undersea
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Adjective
Hybrid warfare refers to a range of activities stopping short of open fighting, like cyberattacks, information campaigns or the targeting of vulnerable infrastructure, such as undersea cables.
—Arick Wierson, MSNBC Newsweek, 16 Apr. 2025
Prosecutors say the man was captain of the Chinese-crewed Hong Tai 58, registered in Togo, which Taiwanese authorities detained after suspecting the ship had dropped anchor near an undersea cable off southwestern Taiwan, damaging it.
—Reuters, CNN Money, 11 Apr. 2025
Shopping malls, warehouses, undersea cables and railways in Europe have all been hit over the past two years in what the Center for Strategic and International Studies describes as a drive to sow havoc led by Russia’s military intelligence service, the GRU.
—Tomas Dapkus, New York Times, 10 Apr. 2025
That is because undersea cables sustain the world’s international internet traffic, financial transactions and diplomatic exchanges.
—John Calabrese, The Conversation, 10 Apr. 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 22 Apr. 2025.
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