1
as in tight
not allowing penetration (as by gas, liquid, or light)
the material for this coat is supposed to be impervious to rain
Synonyms & Similar Words
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Antonyms & Near Antonyms
2
as in dense
impossible to get through or into
the rain forest is impervious to all but the most dedicated explorers
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Antonyms & Near Antonyms
Example Sentences
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Recent Examples of impervious
The code also would set permeability requirements and expand the definition of artificial turf to include turf that is not 100% impervious.
—
Pili Saravia, Austin American Statesman, 2 July 2025
The data further reveal that Latino neighborhoods often have more impervious surfaces and older housing stock lacking modern cooling systems, both of which compound the risks of heat exposure.
—Marcos Magaña, Los Angeles Times, 24 June 2025
Unfortunately, the tariffs are what seem most impervious to Trump’s whims.
—Matt Fleming, Oc Register, 23 June 2025
But three weeks out, the New York City market has proved fairly impervious.
—Kim Velsey, Curbed, 25 Apr. 2025
See All Example Sentences for impervious
Pili Saravia, Austin American Statesman, 2 July 2025
The data further reveal that Latino neighborhoods often have more impervious surfaces and older housing stock lacking modern cooling systems, both of which compound the risks of heat exposure.
—Marcos Magaña, Los Angeles Times, 24 June 2025
Unfortunately, the tariffs are what seem most impervious to Trump’s whims.
—Matt Fleming, Oc Register, 23 June 2025
But three weeks out, the New York City market has proved fairly impervious.
—Kim Velsey, Curbed, 25 Apr. 2025
See All Example Sentences for impervious
Recent Examples of Synonyms for impervious
Adjective
-
The Moccamaster can hold brewing temperatures within a variance of 4 degrees Celsius and extract coffee within very tight parameters.—
Scott Gilbertson,
Wired News,
9 July 2025
-
This minimizes losses from expired or unsold products and lowers risk by maintaining tighter control over merchandise.—
Expert Panel®,
Forbes.com,
9 July 2025
Adjective
-
Where the Earth has a dense atmosphere, abundant water and life, Mars is a desiccated, lifeless world where even the prospects of finding fossil bacteria are a long shot.—
New Atlas,
New Atlas,
12 July 2025
-
In the photo, the orange-brown tiers represent stardust, while small patches represent seemingly vacant zones that indicate the presence of dense foreground filaments of dust that are home to still-forming stars, astronomers said.—
Julia Jacobo,
ABC News,
11 July 2025
Adjective
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The part of Texas that flooded last week is known as Flash Flood Alley because of its impermeable limestone hills and frequent downpours, but these floods were unusually severe for the area.—
Rebecca Hersher,
NPR,
7 July 2025
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The spongy material is mostly made of air, yet nearly impermeable to both air and liquid.—
Brandee Gruener,
Southern Living,
7 May 2025
Adjective
-
Evening operations require a delicate balance: maintaining service standards while preparing for close and keeping everyone safe.—
Elie Y. Katz,
Forbes.com,
10 July 2025
-
Typically, the ring bearer is a young boy or girl and is either the couple’s own child, a relative, or a close family friend.—
Shelby Wax,
Vogue,
10 July 2025
Adjective
-
Back inside, the primary suite carries on the adobe style with thick, smooth walls and rounded edges.—
Demetrius Simms,
Robb Report,
14 July 2025
-
The three-day Tampa conference was thick with criticism of DOJ and disbelief that the president could have let so many people down.—
Shelby Talcott,
semafor.com,
14 July 2025
Adjective
-
Riddle has done that in part by embracing the community that sees her as a way into a complicated and sometimes deliberately impenetrable sport.—
Caoimhe O'Neill,
New York Times,
10 July 2025
-
When selecting a provider, organizations should remember to look for one that offers robust data protection offerings that ensure the storage sets are impenetrable.—
Dave Friend,
Forbes.com,
27 June 2025
Adjective
-
By this point, the road behind him was impassable, too.—
Rachel Monroe,
New Yorker,
11 July 2025
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By that point, according to survivor accounts, many evacuation routes had been impassable for hours.—
Zeynep Tufekci,
Mercury News,
10 July 2025
Adjective
-
Seek shelter in a sturdy structure until the storm has passed.—
NC Weather Bot,
Charlotte Observer,
13 July 2025
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Photograph: Kat Merck AmazonBasics Small Packing Cubes for Travel, 4-Piece-Set $20 $14 (30% off) Amazon Not quite as compressive as our top pick, these Amazon Basics cubes offer sturdy mesh windows and durable fabric—a budget-friendly intro to packing cubes.—
Parker Hall,
Wired News,
11 July 2025
Cite this Entry
“Impervious.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/impervious. Accessed 21 Jul. 2025.
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