as in aquatic
living, lying, or occurring below the surface of the water
underwater plants don't require as much light to grow as surface plants a vessel designed for underwater exploration
Synonyms & Similar Words
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Example Sentences
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Recent Examples of underwater
The Nazaré Canyon, also known as the largest underwater canyon in Europe, extends approximately 130 miles west of Portugal.
—
Lydia Mansel, Travel + Leisure, 9 July 2025
The result was a positive one, with thousands of sharks saved, plus a fascinating underwater spectacle unique to the area.
—Skyler Caruso, People.com, 9 July 2025
Dancing With Sharks has five divers competing to put together an amazing underwater routine — with sharks, of course.
—Tony Maglio, HollywoodReporter, 4 July 2025
Just weeks earlier, divers found about 55 pounds of cocaine about 100 feet underwater off Key West.
—July 1, CBS News, 1 July 2025
See All Example Sentences for underwater
Lydia Mansel, Travel + Leisure, 9 July 2025
The result was a positive one, with thousands of sharks saved, plus a fascinating underwater spectacle unique to the area.
—Skyler Caruso, People.com, 9 July 2025
Dancing With Sharks has five divers competing to put together an amazing underwater routine — with sharks, of course.
—Tony Maglio, HollywoodReporter, 4 July 2025
Just weeks earlier, divers found about 55 pounds of cocaine about 100 feet underwater off Key West.
—July 1, CBS News, 1 July 2025
See All Example Sentences for underwater
Recent Examples of Synonyms for underwater
Adjective
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Like aquatic, art, and music therapy, golf is simply another modality to encourage play, engagement, and healing through joy and movement.—
Mike Dojc,
Forbes.com,
10 July 2025
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Ichthyosaurs were aquatic reptiles that resembled dolphins and reigned as formidable predators in the oceans between 250 million and 90 million years ago.—
Sara Hashemi,
Smithsonian Magazine,
8 July 2025
Adjective
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Courtney has been pushing the Navy to adopt measures to expand what has become known as the submarine industrial base.—
Edmund H. Mahony,
Hartford Courant,
30 Apr. 2025
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It is expected the Chinese submarine force to grow to 65 boats by 2025 and 80 by 2035 because of an expansion of submarine construction capacity.—
Anders Fogh Rasmussen,
Newsweek,
4 Feb. 2025
Adjective
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One woman was found dead in a submerged car in Tom Green County, the San Angelo Police Department confirmed on social media Saturday.—
Antonio Pequeño IV,
Forbes.com,
7 July 2025
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Authorities recovered a submerged car with a body inside from the river that night during below-freezing temperatures.—
Aaron Valdez,
The Enquirer,
2 July 2025
Cite this Entry
“Underwater.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/underwater. Accessed 20 Jul. 2025.
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