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
Our dividend portfolios, while better insulated from the tariff volatility than MAG 7 stocks, are not impervious to declines either.
—
Brett Owens, Forbes.com, 10 Apr. 2025
Urban heat islands are areas within cities that are significantly warmer than the surrounding areas, and this is primarily due to the replacement of natural surfaces with impervious materials like pavement and buildings.
—Stephen Underwood, Hartford Courant, 16 June 2025
First, the team looked at the microbiomes of corals that are impervious to SCTLD to try and harvest probiotics from these disease-resistant species.
—Laura Baisas, Popular Science, 5 June 2025
These include the claim that children are virtually impervious to COVID, which has been refuted by the injury and death toll among children.
—Michael Hiltzik, Los Angeles Times, 5 June 2025
See All Example Sentences for impervious
Brett Owens, Forbes.com, 10 Apr. 2025
Urban heat islands are areas within cities that are significantly warmer than the surrounding areas, and this is primarily due to the replacement of natural surfaces with impervious materials like pavement and buildings.
—Stephen Underwood, Hartford Courant, 16 June 2025
First, the team looked at the microbiomes of corals that are impervious to SCTLD to try and harvest probiotics from these disease-resistant species.
—Laura Baisas, Popular Science, 5 June 2025
These include the claim that children are virtually impervious to COVID, which has been refuted by the injury and death toll among children.
—Michael Hiltzik, Los Angeles Times, 5 June 2025
See All Example Sentences for impervious
Recent Examples of Synonyms for impervious
Adjective
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Rodman pulled her hair back into a tight bun and accessorized with delicate pieces of jewelry, including earrings, bracelets and rings.—
Julia Teti,
Footwear 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
-
On Friday at 6:54 a.m. a dense fog advisory was issued by the NWS Blacksburg VA in effect until 9 a.m.—
NC Weather Bot,
Charlotte Observer,
11 July 2025
Adjective
-
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
-
The figure surpasses that of the closest rival, China, which had 317 companies represented.—
Diana Leyva,
The Tennessean,
10 July 2025
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But a closer read shows the linguistic dance that big companies are engaged in.—
Liz Hoffman,
semafor.com,
10 July 2025
Adjective
-
Still the aftertaste of raspberry filling clings to her soft palate, as thick and heady and floral as menstrual blood.—
Carly Tagen-Dye,
People.com,
30 June 2025
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Politicians in the state said this was because of a loophole in the original bill that allowed the sale of thicker, reusable plastic bags at the checkout stand.—
Elizabeth Weise,
USA Today,
30 June 2025
Adjective
-
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
-
Built inside a mountain some 300 feet underground and reinforced by layers of concrete, the plant, which is the most likely target of a potential American strike, is impenetrable by any bomb except the GBU-57 Massive Ordnance Penetrator (MOP).—
Adeola Adeosun,
MSNBC Newsweek,
21 June 2025
Adjective
-
Explorers had been searching for a faster trade link between Europe and Asia since the 15th century, either failing to realize or ignoring the fact that inclement weather and ice would render the route impassable.—
Meilan Solly,
Smithsonian Magazine,
19 May 2025
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Nothing is truly dead until lawmakers adjourn for the last time, and proposals can always be revived through amendments, but the lack of action on the bill represents a major — and likely impassable — hurdle.—
Eleanor Dearman,
Fort Worth Star-Telegram,
16 May 2025
Adjective
-
The Gritti’s dock-manager to Grazer’s left, foreground right in the shot, may be suspicious that his sturdy right elbow, offered for support during that parlous little leap from land to sea, is being roundly ignored.—
Guy Martin,
Forbes.com,
1 July 2025
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Some Outdoor Furniture Although sturdy plastic, metal, or resin outdoor furniture is fine to pressure wash, pieces crafted from natural materials, such as wicker and teak, are much too delicate.—
Mary Cornetta,
Better Homes & Gardens,
29 June 2025
Cite this Entry
“Impervious.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/impervious. Accessed 16 Jul. 2025.
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