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
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The explosion in new construction projects was also allowed by the fact that the Austin city government has made building new apartments easier in recent years, rewriting zoning laws, cutting parking requirements, and encouraging dense, walkable development.—
Giulia Carbonaro,
MSNBC Newsweek,
13 May 2025
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La Jolla Walk-In Campsite The La Jolla Walk-In Campsite is a small campground in dense chaparral in Point Mugu State Park in the Santa Monica Mountains.—
Jaclyn Cosgrove,
Los Angeles Times,
13 May 2025
Adjective
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And don’t even think about trying to change clothes in a tight plane bathroom.—
Rylee Johnston,
Travel + Leisure,
10 May 2025
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Construction budgets will also increase if tighter immigration policies result in labor shortages.—
Ted Reed,
Forbes.com,
10 May 2025
Adjective
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British travelers, however, are largely impervious to currency fluctuations.—
Monica Pitrelli,
CNBC,
13 May 2025
-
The tiers are based on the square footage of impervious area on a property.—
Grace Hurt,
Arkansas Online,
9 May 2025
Adjective
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At the opposite end of the court, a thick layer of melancholy was present.—
Kelly Iko,
New York Times,
16 May 2025
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The younger Cave, with a mop of jet black hair and thick eyebrows just like his father, is talking to The Hollywood Reporter about being directed by Kristen Stewart in her feature film debut.—
Lily Ford,
HollywoodReporter,
16 May 2025
Adjective
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Cybersecurity strategy has undergone a fundamental shift—from aspiring to build impenetrable defenses to accepting that breaches are inevitable.—
Tony Bradley,
Forbes.com,
15 May 2025
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But in person, nothing about her seems impenetrable.—
Thania Garcia,
Variety,
9 May 2025
Adjective
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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
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Heavy snow and high winds could lead to whiteout conditions, making roads impassable in some areas, the NWS has warned.—
Josh Hammer,
Newsweek,
19 Mar. 2025
Adjective
-
This time, the Knicks couldn’t get any closer, as the Celtics won 115-93 to cut their series deficit to two games to one.—
Tim Casey,
Forbes.com,
11 May 2025
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Charlotte and Raffi see these minor challenges—and their ability to work through them—as proof of how close all of the friends have become.—
Rhaina Cohen,
The Atlantic,
11 May 2025
Adjective
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For your safety, move to an interior room on the lowest floor of a sturdy building.—
NC Weather Bot,
Charlotte Observer,
14 May 2025
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The paddles are crafted with a sturdy, lightweight design suitable for players just starting and looking to develop their skills.—
Jené Luciani Sena
may earn a commission if you buy through our referral links. This content was created by a team that works independently from the Fox newsroom.,
FOXNews.com,
12 May 2025
Cite this Entry
“Impermeable.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/impermeable. Accessed 24 May. 2025.
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