underwater
adjective
un·der·wa·ter
ˌən-dər-ˈwȯ-tər 
-ˈwä-
1
: lying, growing, worn, performed, or operating below the surface of the water
underwater plants
2
: being below the waterline of a ship
3
a
: having, relating to, or being a mortgage loan for which more is owed than the property securing the loan is worth
b
: having, relating to, or being a stock option for which the price of the option is higher than the current market value of the stock
underwater
adverb
Examples of underwater in a Sentence
underwater plants don't require as much light to grow as surface plants
a vessel designed for underwater exploration
Recent Examples on the Web
The roughly 8-foot-long cannon sits about 160 feet underwater and hasn’t been recovered, officials said.
—
Aspen Pflughoeft, Miami Herald, 18 Apr. 2025
With decades of underwater recordings, researchers have managed to connect some basic activities to specific sounds.
—Ryan Whitwam, ArsTechnica, 14 Apr. 2025
The sad reality is that after so many years underwater, most human bones dissolved in the acidic seawater.
—Sean Kingsley, HollywoodReporter, 11 Apr. 2025
Monitoring underwater biodiversity habitats: By capturing detailed 3D images of underwater ecosystems, the Navigator allows scientists to assess habitat volume and spatial distribution.
—Kurt Knutsson, Cyberguy Report, FOXNews.com, 10 Apr. 2025
See All Example Sentences for underwater
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Aspen Pflughoeft, Miami Herald, 18 Apr. 2025
With decades of underwater recordings, researchers have managed to connect some basic activities to specific sounds.
—Ryan Whitwam, ArsTechnica, 14 Apr. 2025
The sad reality is that after so many years underwater, most human bones dissolved in the acidic seawater.
—Sean Kingsley, HollywoodReporter, 11 Apr. 2025
Monitoring underwater biodiversity habitats: By capturing detailed 3D images of underwater ecosystems, the Navigator allows scientists to assess habitat volume and spatial distribution.
—Kurt Knutsson, Cyberguy Report, FOXNews.com, 10 Apr. 2025
See All Example Sentences for underwater
Cite this Entry
“Underwater.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/underwater. Accessed 24 Apr. 2025.
Copy CitationKids Definition
underwater
adjective
un·der·wa·ter
ˈən-dər-ˈwȯt-ər
-ˈwät-
: lying, growing, worn, performed, or operating below the surface of the water
underwater plants
an underwater cave
underwater
adverb
-ˈwȯt-
-ˈwät-
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