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
Scuba divers will transform the aquarium into an underwater pumpkin patch with their underwater pumpkin carving skills.
—
Linda McIntosh, San Diego Union-Tribune, 24 Oct. 2025
Valencia's regional government sent out a text message warning residents to take shelter after several buildings were already underwater.
—Charlotte Phillipp, PEOPLE, 23 Oct. 2025
Some hypothesized that an underwater landslide displaced the deep water.
—Literary Hub, 22 Oct. 2025
First, in the days leading up, divers laid out and marked the exact GPS points on the ocean floor, creating a perfect grid for the underwater traffic jam.
—Ashley Miznazi, Miami Herald, 21 Oct. 2025
See All Example Sentences for underwater
Linda McIntosh, San Diego Union-Tribune, 24 Oct. 2025
Valencia's regional government sent out a text message warning residents to take shelter after several buildings were already underwater.
—Charlotte Phillipp, PEOPLE, 23 Oct. 2025
Some hypothesized that an underwater landslide displaced the deep water.
—Literary Hub, 22 Oct. 2025
First, in the days leading up, divers laid out and marked the exact GPS points on the ocean floor, creating a perfect grid for the underwater traffic jam.
—Ashley Miznazi, Miami Herald, 21 Oct. 2025
See All Example Sentences for underwater
Recent Examples of Synonyms for underwater
Adjective
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Peters calls the work an aquatic Fabergé egg.—
Michael Verdon,
Robb Report,
26 Oct. 2025
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At the annual Casamigos Halloween Party in October 2023, Justin Bieber embraced an aquatic theme by dressing as a scuba diver.—
Catherine Santino,
PEOPLE,
25 Oct. 2025
Adjective
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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
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Despite the ongoing retirement of older hulls, the PLAN's submarine force is expected to grow to 65 units by 2025 and 80 units by 2035 due to an expansion of submarine construction capacity.—
Ryan Chan,
MSNBC Newsweek,
29 July 2025
Adjective
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Launched from submerged submarines, the M51 can reach altitudes exceeding 2,000 kilometers and re-enters the atmosphere at speeds up to Mach 20, reflecting France’s focus on precision, reliability, and constant readiness in maintaining its 290-warhead nuclear deterrent.—
Neetika Walter,
Interesting Engineering,
9 Oct. 2025
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Pier 500 would use 124 acres of submerged infrastructure that was added during the construction of Pier 400.—
Glenn Taylor,
Sourcing Journal,
3 Oct. 2025
Cite this Entry
“Underwater.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/underwater. Accessed 29 Oct. 2025.
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