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
Taxing cruise ships with foreign flags seems like a simple concept, like building an impermeable border wall.
—
Roger Dooley, Forbes, 22 Feb. 2025
The impermeable bottom layer is deep in some areas – close to 600 feet – and shallow in others – like 50 feet.
—Daniel Desrochers, Kansas City Star, 16 Jan. 2025
As Hurricane Milton is expected to bring record-breaking storm surge yet again to the region, the hospital -- located on the bay near downtown Tampa -- is surrounded by the water-impermeable barrier once more.
—Meredith Deliso, ABC News, 9 Oct. 2024
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
See All Example Sentences for impermeable
Roger Dooley, Forbes, 22 Feb. 2025
The impermeable bottom layer is deep in some areas – close to 600 feet – and shallow in others – like 50 feet.
—Daniel Desrochers, Kansas City Star, 16 Jan. 2025
As Hurricane Milton is expected to bring record-breaking storm surge yet again to the region, the hospital -- located on the bay near downtown Tampa -- is surrounded by the water-impermeable barrier once more.
—Meredith Deliso, ABC News, 9 Oct. 2024
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
See All Example Sentences for impermeable
Recent Examples of Synonyms for impermeable
Adjective
-
The cause of the crash also remains unclear, but officials said Friday that the weather alert system and runway lights weren’t working at the airport when the jet attempted to land amid dense fog around 3:45 a.m.—
Brian Niemietz,
New York Daily News,
23 May 2025
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However, researchers observed that after being dispersed by the radiation, the clouds were not dense or large enough to create new stars.—
Kameryn Griesser,
CNN Money,
23 May 2025
Adjective
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So, it's designed to access tight gaps and under low furniture.—
Brenda Stolyar,
Wired News,
22 May 2025
-
Much of the savings in Medicaid, the federal-state health care program called Medi-Cal in California, would come from tighter work requirements.—
David Lightman,
Sacbee.com,
22 May 2025
Adjective
-
Its thick plastic outer casing is impervious to flex.—
PC Magazine,
PC Magazine,
28 May 2025
-
British travelers, however, are largely impervious to currency fluctuations.—
Monica Pitrelli,
CNBC,
13 May 2025
Adjective
-
Its thick plastic outer casing is impervious to flex.—
PC Magazine,
PC Magazine,
28 May 2025
-
Standard glass wine decanters usually have thicker walls than those made of crystal.—
BestReviews,
Chicago Tribune,
27 May 2025
Adjective
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This sweetly reticent follow-up is a drama about the impenetrable singularity of a young girl’s mind.—
Justin Chang,
New Yorker,
26 May 2025
-
Things only get less interesting as that love triangles widens into an awkward kind of square, the chiaroscuro splendor of Soderbergh’s cinematography laboring to compensate for a murder-mystery that’s as scattered and impenetrable as Berlin itself.—
David Ehrlich,
IndieWire,
14 Mar. 2025
Adjective
-
Roman friends report that with the arrival of spring weather the city's streets are already impassable in many popular areas, just as hotel and apartment rental options also are difficult to come by.—
Marco della Cava,
USA Today,
22 Apr. 2025
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Roads over mountain passes are expected to be slick or impassable, with whiteout conditions likely during peak snowfall.—
Anna Skinner,
MSNBC Newsweek,
5 May 2025
Adjective
-
Among the close friends and family celebrating were Nicole Kidman and Keith Urban.—
Rachel Flynn,
People.com,
24 May 2025
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After the close, discount retailer Miniso Group (9896 HK, MSO US) missed Q1 estimates while online travel agency Tongcheng (780 HK) beat analyst expectations for Q1.—
Brendan Ahern,
Forbes.com,
23 May 2025
Adjective
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It’s got all the gaming-friendly extras; HDR support, DP 1.4, HDMI, and a metal stand that actually feels sturdy for once.—
Juhi Wadia,
PC Magazine,
26 May 2025
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Subscribers can save up to 76 percent on tons of coveted finds for the holiday weekend, including summer fashion, sturdy luggage, and outdoor furniture.—
Clara McMahon,
People.com,
23 May 2025
Cite this Entry
“Impermeable.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/impermeable. Accessed 5 Jun. 2025.
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