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
Synonyms & Similar Words
Antonyms & Near Antonyms
Example Sentences
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Recent Examples of impermeable
Given the area’s especially hard, impermeable soil and the high cost of installing private wastewater systems, many residents have resorted to straight piping to deal with human wastewater.
—
Curtis Bunn, NBC news, 1 May 2025
What if the girls all band together and reject me like an impermeable cellular membrane, keeping me out, unable to penetrate their circle of friendship?
—Michael Nied, People.com, 28 Apr. 2025
Achieving that often meant forgoing impermeable materials and permanent designs, which stands in stark contrast to the way modern-day water management works are constructed.
—Ari Caramanica, The Conversation, 8 Apr. 2025
Taxing cruise ships with foreign flags seems like a simple concept, like building an impermeable border wall.
—Roger Dooley, Forbes, 22 Feb. 2025
See All Example Sentences for impermeable
Curtis Bunn, NBC news, 1 May 2025
What if the girls all band together and reject me like an impermeable cellular membrane, keeping me out, unable to penetrate their circle of friendship?
—Michael Nied, People.com, 28 Apr. 2025
Achieving that often meant forgoing impermeable materials and permanent designs, which stands in stark contrast to the way modern-day water management works are constructed.
—Ari Caramanica, The Conversation, 8 Apr. 2025
Taxing cruise ships with foreign flags seems like a simple concept, like building an impermeable border wall.
—Roger Dooley, Forbes, 22 Feb. 2025
See All Example Sentences for impermeable
Recent Examples of Synonyms for impermeable
Adjective
-
Although rental costs have soared particularly in denser coastal cities, prices have jumped in Indianapolis too.—
Jordan Smith,
IndyStar,
24 July 2025
-
It’s already been tested out successfully in dense urban areas.—
Heather Farmbrough,
Forbes.com,
24 July 2025
Adjective
-
Jarrett Stidham fired a tight pass in the end zone to Franklin, who shook his defender with a crisp slant route.—
Nick Kosmider,
New York Times,
2 Aug. 2025
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August 1, 2025 The Steelers' window with Rodgers under center is tight, as the former MVP has stated that this will likely be his last season in the NFL.—
Kevin McCormick,
MSNBC Newsweek,
2 Aug. 2025
Adjective
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For instance, more construction in an area can lead to more impervious surfaces that retain water or shunt it toward a certain neighborhood.—
Umair Irfan,
Vox,
4 July 2025
-
And even the mighty NFL isn’t impervious to the ravages of demographic drift, although the league’s absolute deliveries of the under-50 set remain the gold standard.—
Anthony Crupi,
Sportico.com,
11 July 2025
Adjective
-
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
-
Back inside, the primary suite carries on the adobe style with thick, smooth walls and rounded edges.—
Demetrius Simms,
Robb Report,
14 July 2025
Adjective
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Many organizations, particularly in healthcare and pharma, sit on mountains of legacy data that remain impenetrable to the teams who need it most.—
Abigail Stuart,
Forbes.com,
10 July 2025
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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
Adjective
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Several major roads in Montgomery, Prince George’s and Anne Arundel counties in Maryland, as well as in Fairfax County in Virginia, were impassable on Saturday evening.—
New York Times,
New York Times,
20 July 2025
-
North Plainfield, New Jersey, Mayor Lawrence La Ronde told CNN affiliate WABC that emergency crews rescued people from at least 30 homes, after streets became completely flooded and were impassable.—
Luke Snyder,
CNN Money,
14 July 2025
Adjective
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With the calendar officially flipped to August, the Miami Herald is counting down 30 of the most important players on the Hurricanes’ roster, one per day leading up to the season opener, to provide a closer look at the team heading into coach Mario Cristobal’s fourth season.—
Jordan McPherson,
Miami Herald,
3 Aug. 2025
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How to get there Canyonlands Regional Airport (CNY) is the closest commercial airport to Moab, about a 20-minute drive to the center of town.—
Kathleen Wong,
USA Today,
3 Aug. 2025
Adjective
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That’s where Baker and his team got the idea to find the sturdiest survivors and interbreed them with their Florida siblings.—
Alex Harris
July 25,
Miami Herald,
25 July 2025
-
Persons in campgrounds should consider seeking sturdy shelter until this storm passes.—
CA Weather Bot,
Sacbee.com,
24 July 2025
Cite this Entry
“Impermeable.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/impermeable. Accessed 6 Aug. 2025.
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