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
Sophie Tanno, CNN, 29 Nov. 2024
Where Wilshire Boulevard begins in downtown Los Angeles, thousands of miles of undersea fiber-optic cables disappear into an ordinary-looking office tower.
—Roger Vincent, Los Angeles Times, 27 Sep. 2024
That and the submersible's unconventional design subjected the Titan to scrutiny in the undersea exploration community.
—CBS News, 16 Sep. 2024
The implosion that morning set off a worldwide debate about the future of private undersea exploration.
—Greg Wehner, Fox News, 16 Sep. 2024
See all Example Sentences for undersea 
Examples are automatically compiled from online sources to
show current usage.
Read More
Opinions expressed in the examples do not represent those of Merriam-Webster or its editors.
Send us feedback.
Adjective
The incidents came just weeks after the United States warned that Moscow was likely to target critical undersea infrastructure.
—Sophie Tanno, CNN, 29 Nov. 2024
Where Wilshire Boulevard begins in downtown Los Angeles, thousands of miles of undersea fiber-optic cables disappear into an ordinary-looking office tower.
—Roger Vincent, Los Angeles Times, 27 Sep. 2024
That and the submersible's unconventional design subjected the Titan to scrutiny in the undersea exploration community.
—CBS News, 16 Sep. 2024
The implosion that morning set off a worldwide debate about the future of private undersea exploration.
—Greg Wehner, Fox News, 16 Sep. 2024
See all Example Sentences for undersea
Dictionary Entries Near undersea
Cite this Entry
“Undersea.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/undersea. Accessed 26 Dec. 2024.
Copy CitationLove words? Need even more definitions?
Merriam-Webster unabridged
Share