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
In the latest Economist/YouGov poll, Trump’s net approval was 15 points underwater, also the lowest of his second term, with only 40 percent approval.
—
Sarah Fortinsky, The Hill, 30 July 2025
Positing that the entire planet is underwater is arguably an acceptable use of dramatic licence — the US Geological Survey estimates that, if all the glaciers and ice caps melted, sea levels would rise by around 70 meters — but tens of millions of years of evolution condensed into a few centuries?
—Richard Edwards, Space.com, 29 July 2025
Production presented significant technical challenges, with underwater sequences comprising over 40% of the runtime.
—Naman Ramachandran, Variety, 28 July 2025
Since March, a harmful algal bloom, fueled by a marine heat wave, has been choking South Australia’s coastline, turning once-colorful ecosystems filled with thriving marine life into underwater graveyards.
—Lex Harvey, CNN Money, 26 July 2025
See All Example Sentences for underwater
Sarah Fortinsky, The Hill, 30 July 2025
Positing that the entire planet is underwater is arguably an acceptable use of dramatic licence — the US Geological Survey estimates that, if all the glaciers and ice caps melted, sea levels would rise by around 70 meters — but tens of millions of years of evolution condensed into a few centuries?
—Richard Edwards, Space.com, 29 July 2025
Production presented significant technical challenges, with underwater sequences comprising over 40% of the runtime.
—Naman Ramachandran, Variety, 28 July 2025
Since March, a harmful algal bloom, fueled by a marine heat wave, has been choking South Australia’s coastline, turning once-colorful ecosystems filled with thriving marine life into underwater graveyards.
—Lex Harvey, CNN Money, 26 July 2025
See All Example Sentences for underwater
Recent Examples of Synonyms for underwater
Adjective
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Few warm-weather escapes are complete without plenty of pool time–and the resort’s Baia delle Palme pool, an expansive aquatic zone, raises the bar for splish-splashy fun in the sun.—
Alexandra Kirkman,
Forbes.com,
15 Aug. 2025
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The highly-contagious disease is caused by the aquatic bacterium Vibrio cholerae.—
Andrea Tamayo,
Scientific American,
15 Aug. 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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The submerged area called the Madura Strait was once part of a landmass called Sundaland, which connected the Indonesian archipelago to mainland Asia.—
Sara Hashemi,
Smithsonian Magazine,
9 July 2025
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Now, the city of Kerrville is refusing to drain the lake, which bubbles with oil from submerged automobiles, Carr said.—
Rachel Frazin,
The Hill,
1 Aug. 2025
Cite this Entry
“Underwater.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/underwater. Accessed 20 Aug. 2025.
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