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
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Recent Examples of underwater
The program plans to send a number of palm-sized autonomous underwater robots into the ice moons’ internal oceans to search for signs of life.
—
Shigeyuki Hando, WIRED, 8 Jan. 2025
Three days after the teen brothers vanished, divers specializing in deep underwater construction and heavy marine salvage found Andruw’s pants on Dec. 17.
—Daniel Hunt, Sacramento Bee, 5 Jan. 2025
To make room for divers and unmanned underwater vehicles to covertly enter and exit the Carter while submerged, the Navy built the submarine 100 feet longer than other Seawolves.
—John Ismay, New York Times, 30 Dec. 2024
Built directly into the edge of a vibrant reef, this underwater venue offers the surreal experience of dining among schools of tropical fish, reef sharks, and the occasional sea turtle.
—Katie Kiefner, Vogue, 1 Jan. 2025
See all Example Sentences for underwater 
Shigeyuki Hando, WIRED, 8 Jan. 2025
Three days after the teen brothers vanished, divers specializing in deep underwater construction and heavy marine salvage found Andruw’s pants on Dec. 17.
—Daniel Hunt, Sacramento Bee, 5 Jan. 2025
To make room for divers and unmanned underwater vehicles to covertly enter and exit the Carter while submerged, the Navy built the submarine 100 feet longer than other Seawolves.
—John Ismay, New York Times, 30 Dec. 2024
Built directly into the edge of a vibrant reef, this underwater venue offers the surreal experience of dining among schools of tropical fish, reef sharks, and the occasional sea turtle.
—Katie Kiefner, Vogue, 1 Jan. 2025
See all Example Sentences for underwater
Recent Examples of Synonyms for underwater
Adjective
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For more information about the pool, visit the YMCA aquatic facilities webpage.—
Tammy Murga,
San Diego Union-Tribune,
23 Jan. 2025
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For aquatic turtles, the animal hospitals said males average 7 to 9 inches long, while females average 10 to 12 inches long.—
Krystal Nurse,
USA TODAY,
23 Jan. 2025
Adjective
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Deep Blue Sea—Learn about our oceans while on submarine Sea Lab Alpha with underwater explorers Marina and Reef.—
Anna Halkidis,
Parents,
6 Dec. 2024
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Known as an innovator in the grocery business, Violante enhanced the experience at Holiday Market with an in-store bakery, freshly made submarine sandwiches, and beers from around the world, according to his family obituary.—
Susan Selasky,
Detroit Free Press,
16 Oct. 2024
Adjective
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The body of a missing woman in England has been found in a submerged car in a river three days after she was last seen.—
Becca Longmire,
People.com,
21 Jan. 2025
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The remains of more than 900 Arizona crew members are entombed in the submerged vessel beneath a memorial in their honor.—
Audrey McAvoy,
Los Angeles Times,
7 Dec. 2024
Articles Related to underwater
Thesaurus Entries Near underwater
Cite this Entry
“Underwater.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/underwater. Accessed 29 Jan. 2025.
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