1
as in dense
impossible to get through or into
the wall of security people surrounding the rock band was impermeable
Synonyms & Similar Words
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Antonyms & Near Antonyms
2
as in tight
not allowing penetration (as by gas, liquid, or light)
an impermeable seal on the ancient tomb had preserved the artifacts exceptionally well
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Antonyms & Near Antonyms
Example Sentences
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Recent Examples of impermeable
Strong metal clamps replicate the design of the polymer hinges on regular Pelican cases, squeezing the case shut on the gasket to create an impermeable seal.
—
Wes Siler, Outside Online, 26 Mar. 2025
Taxing cruise ships with foreign flags seems like a simple concept, like building an impermeable border wall.
—Roger Dooley, Forbes, 22 Feb. 2025
Much of the Floridan Aquifer is shielded significantly from downward migration of pollution by overlying layers of dense, impermeable clay.
—Kevin Spear, Orlando Sentinel, 28 Feb. 2025
Clay deposits, forming an impermeable layer, result in waterlogged soil.
—David Bressan, Forbes, 31 Oct. 2024
See All Example Sentences for impermeable
Wes Siler, Outside Online, 26 Mar. 2025
Taxing cruise ships with foreign flags seems like a simple concept, like building an impermeable border wall.
—Roger Dooley, Forbes, 22 Feb. 2025
Much of the Floridan Aquifer is shielded significantly from downward migration of pollution by overlying layers of dense, impermeable clay.
—Kevin Spear, Orlando Sentinel, 28 Feb. 2025
Clay deposits, forming an impermeable layer, result in waterlogged soil.
—David Bressan, Forbes, 31 Oct. 2024
See All Example Sentences for impermeable
Recent Examples of Synonyms for impermeable
Adjective
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This layer also contains Earth’s oceanic crust — a thinner and denser layer below the oceans — and the continental crust that sits above this layer.—
Taylor Nicioli,
CNN Money,
18 Apr. 2025
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The good news As solar cycle 25 is set to weaken soon, the high-energy proton soup around the planet will soon get denser again.—
Tereza Pultarova,
Space.com,
17 Apr. 2025
Adjective
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Tour demands that players lift up their floors — and flaws — in tight moments.—
Charlie Eccleshare,
New York Times,
28 Apr. 2025
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Most engines with two banks of cylinders have a V angle of 60 or perhaps 90 degrees; with a V angle of just 15 degrees, the VR6 engine was able to fit in the tight confines of the Golf's engine bay.—
ArsTechnica,
ArsTechnica,
28 Apr. 2025
Adjective
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Such a war would be motivated, in China, by a politics of identity that is largely impervious to economic rationality and other strategic considerations.—
RANA MITTER,
Foreign Affairs,
22 Apr. 2025
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For years, decades even, that faux feline impervious to the rain was my secret excuse.—
Domenico Starnone,
New Yorker,
20 Apr. 2025
Adjective
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These Steve Madden platform sneakers feature thick, cushioned soles that provide extra height without sacrificing comfort.—
Jené Luciani Sena,
FOXNews.com,
22 Apr. 2025
-
The first is the pomodoro, a thick, fluffy pan-pizza smeared with sugo di pomodoro, a rich red sauce with a deep tomato flavor that tastes like it’s been reducing for hours.—
Jenn Harris,
Los Angeles Times,
21 Apr. 2025
Adjective
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Most of those minerals are currently buried beneath thick sheets of previously impenetrable ice.—
Mack DeGeurin,
Popular Science,
10 Apr. 2025
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Image Border The Wall The most memorable promise that Mr. Trump made on the campaign trail was to erect an impenetrable barrier along the entire southern border, which is almost 2,000 miles, and to have Mexico pay for it.—
Miriam Jordan,
New York Times,
18 Jan. 2025
Adjective
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The storms rendered some roads impassable, damaged buildings and knocked out power to hundreds of thousands of homes and businesses.—
Joe Hernandez,
NPR,
17 Feb. 2025
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In Southern California, intense rainfall triggered large debris flows, making several streets impassable, including Mulholland Drive in Santa Monica and several roads in the Palisades.—
Josh Hammer,
Newsweek,
15 Feb. 2025
Adjective
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And Amanda Marsalis and April Blair are some of my closest friends now.—
Jessica Radloff,
Glamour,
17 Apr. 2025
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Famous detective Sherlock Holmes faces a case where the lives of his closest friends are at risk.—
DeVonne Goode,
Parents,
17 Apr. 2025
Adjective
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Get to an interior room on the lowest floor of a sturdy building and avoid windows.—
STAR-TELEGRAM WEATHER BOT,
Fort Worth Star-Telegram,
20 Apr. 2025
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It’s entirely made of cotton that has been coated with polyvinyl to create a sturdy material with the look of pebbled leather, which is as water-resistant and stain-repellent as hide.—
Miles Walls,
Better Homes & Gardens,
20 Apr. 2025
Cite this Entry
“Impermeable.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/impermeable. Accessed 1 May. 2025.
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