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
Relevance
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
Synonyms & Similar Words
Antonyms & Near Antonyms
Example Sentences
Examples are automatically compiled from online sources to
show current usage.
Read More
Opinions expressed in the examples do not represent those of Merriam-Webster or its editors.
Send us feedback.
Recent Examples of impervious
In the movies, zombies are impervious to knives, guns, katanas, spiked baseball bats and most other weapons an inventive auteur can think up.
—
Jason Rose, Forbes.com, 6 Aug. 2025
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
The laws of physics are impervious to climate change.
—Evan Bush, NBC news, 8 July 2025
See All Example Sentences for impervious
Jason Rose, Forbes.com, 6 Aug. 2025
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
The laws of physics are impervious to climate change.
—Evan Bush, NBC news, 8 July 2025
See All Example Sentences for impervious
Recent Examples of Synonyms for impervious
Adjective
-
When culture starts performing alignment instead of living it, most companies reach for fixes: tighter messaging, new values, more playbooks.—
Vibhas Ratanjee,
Forbes.com,
15 Aug. 2025
-
That’s because of the NFL’s ownership rules, which are tighter than those in other sports.—
Eben Novy-Williams,
Sportico.com,
14 Aug. 2025
Adjective
-
Finally, it is baked into a dense, tangy loaf that resembles French bread.—
Gabi De la Rosa,
Southern Living,
17 Aug. 2025
-
In extremely dense fog where visibility is near zero, the best course of action is to first turn on your hazard lights, then simply pull into a safe location such as a parking lot of a local business, and stop.—
NC Weather Bot,
Charlotte Observer,
17 Aug. 2025
Adjective
-
But simply piling mounds of topsoil on top of hard clay ground can result in an impermeable layer, both to water and roots.—
Andy Wilcox,
Better Homes & Gardens,
7 Aug. 2025
-
That aquifer is covered by impermeable layers of rock or clay, putting the water in it under high pressure in some locations.—
Claire Osborn,
Austin American Statesman,
30 July 2025
Adjective
-
Read More: The Real Danger of the Trump-Putin Summit At the press conference, Putin talked about how close Russia was to America (shades of Sarah Palin) and claimed that Russian trade with American has increased by 20%.—
Richard Stengel,
Time,
16 Aug. 2025
-
Banished to the bullpen after struggling in the starting rotation, Montas trails only closer Edwin Díaz as the Mets’ most expensive reliever.—
Will Sammon,
New York Times,
15 Aug. 2025
Adjective
-
Our relationship has always been thick and strong, even through the thin times.—
Chris Hays,
The Orlando Sentinel,
20 Aug. 2025
-
More than ten villages in the Buner region of the Khyber Pakhtunkhwa province were devastated by flash flooding, and dozens of people are believed to still be trapped under the thick mud and debris.—
Sophia Saifi,
CNN Money,
20 Aug. 2025
Adjective
-
The final product was a tank-like fortress that appeared to be impenetrable by the howling wind.—
Frederick Dreier,
Outside,
18 Aug. 2025
-
The seat was regarded as impenetrable by the Republicans.—
Paul Miller,
New York Daily News,
13 Aug. 2025
Adjective
-
Numerous roads will likely be impassable under several feet of water and vehicles will likely be submerged.—
NC Weather Bot,
Charlotte Observer,
18 Aug. 2025
-
In spring, melting ice turns them into impassable mud and floods.—
David Nikel,
Forbes.com,
16 Aug. 2025
Adjective
-
The immolation of the Bronx was all the more staggering because, a generation before, it had been filled with upwardly mobile residents in sturdy homes.—
Daniel Immerwahr,
New Yorker,
18 Aug. 2025
-
For five rounds, Chimaev rag-dolled a massive and sturdy champion in Dricus Du Plessis en route to a decisive victory (50-44 x3).—
Brian Mazique,
Forbes.com,
17 Aug. 2025
Cite this Entry
“Impervious.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/impervious. Accessed 29 Aug. 2025.
Copy CitationLove words? Need even more definitions?
Merriam-Webster unabridged
Share