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 area is known for its white sand beaches and cultural landmarks, such as the underwater art museum near Isla Mujeres.
—
Celia Fernandez, CNBC, 24 May 2025
An underwater volcano off the Oregon coast could erupt late this year, scientists say.
—Louis Casiano, FOXNews.com, 21 May 2025
The gargantuan geoengineering project would require half a million underwater drones to pull water from below the melting ice cap and spray it onto the surface to freeze.
—Jeanna Bryner, Scientific American, 20 May 2025
Defense And Border Security Defense Spending: Allocates an additional $150 billion, with significant investment in unmanned drones, including kamikaze drones, unmanned aircraft systems, drone boats and underwater drones.
—Kate Plummer, MSNBC Newsweek, 20 May 2025
See All Example Sentences for underwater
Celia Fernandez, CNBC, 24 May 2025
An underwater volcano off the Oregon coast could erupt late this year, scientists say.
—Louis Casiano, FOXNews.com, 21 May 2025
The gargantuan geoengineering project would require half a million underwater drones to pull water from below the melting ice cap and spray it onto the surface to freeze.
—Jeanna Bryner, Scientific American, 20 May 2025
Defense And Border Security Defense Spending: Allocates an additional $150 billion, with significant investment in unmanned drones, including kamikaze drones, unmanned aircraft systems, drone boats and underwater drones.
—Kate Plummer, MSNBC Newsweek, 20 May 2025
See All Example Sentences for underwater
Recent Examples of Synonyms for underwater
Adjective
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The Final Reckoning’s two big set pieces (the airplane switch-off and the aquatic expedition) demonstrate elaborate, dangerous planning.—
Armond White,
National Review,
23 May 2025
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But the new study reveals a diversity of large and small tetrapods, some aquatic and others largely or entirely terrestrial, likely lived at the same time.—
Ashley Strickland,
CNN Money,
22 May 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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The submerged vehicle’s occupants were freed but still in the water by the time emergency responders arrived at the scene, the department added.—
David Chiu,
People.com,
19 May 2025
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In 2001, Oakland Park resident Heather Munroe died in a submerged van that was driven into the river there at about 2 a.m. after leaving now-closed Maguire’s Hill 16.—
Angie DiMichele,
Sun Sentinel,
12 May 2025
Cite this Entry
“Underwater.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/underwater. Accessed 3 Jun. 2025.
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