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
-
Kick your legs in small up-and-down fluttering motions while keeping your lower back flat and abs tight throughout.—
Jakob Roze,
Health,
21 July 2025
-
But the party was especially focused on reforming public finance, calling for strict economy in expenditures and even tighter limits on taxation.—
Joseph Thorndike,
Forbes.com,
21 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
-
To avoid puddling, use permeable landscape fabric rather than impermeable plastic sheeting.—
Luke Miller,
Better Homes & Gardens,
17 July 2025
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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
Adjective
-
Sonic internet plans: A guide Here's a closer look at Sonic internet offerings: Sonic Fusion Fiber 1 Gigabit Sonic's Fusion Fiber 1 GB plan is the slowest plan option, but speeds are still fast enough for high internet usage.—
Kara McGinley,
USA Today,
22 July 2025
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This is a beautiful fish, much more colorful and brighter overall than its close cousin, the bluegill, which anglers love.—
Sheryl De Vore,
Chicago Tribune,
22 July 2025
Adjective
-
Sides of hand-cut fries ($3) were fairly standard, and onion rings ($5) were thick and addictively crunchy.—
Rachel Bernhard,
jsonline.com,
14 July 2025
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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
-
The company's results expectations are influenced by tariff disruptions, mixed performance among business units, and uncertain aluminum demand—slightly offset by sturdy alumina margins and effective internal cost management.—
Trefis Team,
Forbes.com,
11 July 2025
Cite this Entry
“Impervious.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/impervious. Accessed 25 Jul. 2025.
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