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
On Instagram, and even on her reality show, Kardashian comes across as thrillingly impervious, wearing impassivity like body armor and putting her body and face through Olympian ordeals to draw our collective gaze.
—
Sophie Gilbert, The Atlantic, 8 Nov. 2025
But there were strengths here, too, none more than England’s impervious Lazarus complex, that baffling inability to know when one is in a state of emergency.
—Megan Feringa, New York Times, 26 Oct. 2025
The assessment by PlanIT Geo also found that only 29% of Pittsburg’s land is suitable for new tree planting, due to impervious surfaces.
—Hema Sivanandam, Mercury News, 19 Oct. 2025
But that doesn't mean Davis is impervious to economic headwinds.
—Laura Hackett, NPR, 26 Sep. 2025
See All Example Sentences for impervious
Recent Examples of Synonyms for impervious
Adjective
-
Loveland caught eight passes for 137 yards for the Bears, who had closed the regular season with tight losses to San Francisco and Detroit.—
-
As temperatures drop and humidity plummets, the skin’s natural moisture levels decline faster, fine lines look more pronounced, and that tight, uncomfortable feeling can become a near-daily occurrence.—
Adjective
-
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.—
-
At 6-foot-3, 275 pounds, Bain’s measurables might not fit every team’s wish list but would work well in Kansas City, where defensive coordinator Steve Spagnuolo has preferred dense and powerful pass rushers.—
Adjective
-
The impermeable seed coat strategy generally helps survival of the species by making sure all of a season’s crop don’t germinate in the same year.—
-
The discovery could enable large-scale use of impermeable coatings once limited by graphene’s scalability issues.—
Adjective
-
Traffic concerns remained a prominent theme of the more than 100 emails the city received in early December, but many people expressed excitement at the prospect of a closer Costco.—
-
The Clippers raced to a 14-5 lead, but the Knicks answered with eight straight points and the game was close for the first three quarters.—
Adjective
-
They’re made of a buttery soft, thick material that will keep you warm and cozy at home all winter.—
-
Too thick of a mascara coat, and suddenly my gaze droops.—
Adjective
-
Miami has rekindled memories of its 2001 national championship team behind a defense that went from porous to nearly impenetrable in its first season under coordinator Corey Hetherman.—
-
Miami has rekindled memories of its 2001 national championship team behind a defense that went from porous to nearly impenetrable in its first season under coordinator Corey Hetherman.—
Adjective
-
But their quarterback issues could make those defenses look impregnable.—
-
OpenAI wasn’t a fortress, wasn’t impregnable.—
Adjective
-
Soon the streets became impassable.—
-
The Sierra Nevada mountains are also looking at 2 to 4 feet of snow, which would render many mountain passes impassible.—
Cite this Entry
“Impervious.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/impervious. Accessed 12 Jan. 2026.
Love words? Need even more definitions?
Merriam-Webster unabridged
Share