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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Example Sentences
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Recent Examples of underwater
Over the ensuing decades, the Swiss brand has come up with ingenious solutions like the underwater touchpads used in swimming races to photo-finish cameras capable of capturing 40,000 images per second when athletes cross a finish line.
—
Bloomberg, Mercury News, 27 May 2026
The public is reporting Stone Mountain Rd is currently underwater.
—Nc Weather Bot, Charlotte Observer, 27 May 2026
So the material from underwater eruptions settles close to its source.
—Quanta Magazine, 26 May 2026
The veteran photographer was ocean-bound in his kayak with an underwater camera attached, filming while a juvenile shark trailed about 10 feet behind.
—Tom Wait, CBS News, 26 May 2026
See All Example Sentences for underwater
Bloomberg, Mercury News, 27 May 2026
The public is reporting Stone Mountain Rd is currently underwater.
—Nc Weather Bot, Charlotte Observer, 27 May 2026
So the material from underwater eruptions settles close to its source.
—Quanta Magazine, 26 May 2026
The veteran photographer was ocean-bound in his kayak with an underwater camera attached, filming while a juvenile shark trailed about 10 feet behind.
—Tom Wait, CBS News, 26 May 2026
See All Example Sentences for underwater
Recent Examples of Synonyms for underwater
Adjective
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Water sampling at the aquatic center has consistently shown nothing out of the ordinary, the Village of Orland Park said.—
Asal Rezaei,
CBS News,
31 May 2026
-
Feed lilies and other aquatic plants in home water gardens.—
Tom MacCubbin,
The Orlando Sentinel,
30 May 2026
Adjective
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One of the major functions of modern navies is submarine hunting.—
New Atlas,
New Atlas,
18 Jan. 2026
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Last December, lawmakers passed a short-term funding bill that included $5.7 billion in emergency funding for the submarine industrial base.—
Lisa Hagen,
Hartford Courant,
6 Aug. 2025
Adjective
-
The submarine departed from the Port of Kaohsiung for its latest testing mission, marking its 15th sea trial and ninth submerged navigation test.—
Atharva Gosavi,
Interesting Engineering,
2 June 2026
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Multiple vehicles became submerged and in at least one case, a driver had to be rescued from the roof of her car.—
Irene Wright,
USA Today,
26 May 2026
Cite this Entry
“Underwater.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/underwater. Accessed 8 Jun. 2026.
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