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 response to a reporter’s question at a Monday news conference at Broward College, DeSantis blasted the school district, calling it impervious to reform efforts.
—
Scott Travis, Sun Sentinel, 13 Jan. 2026
Everyone aspires to the level of confidence that quiets the fear of failure, impervious to what an audience might think.
—Sam Sodomsky, Pitchfork, 11 Jan. 2026
Trump, however, is impervious to legal restraints.
—Christine Ledbetter, Chicago Tribune, 4 Jan. 2026
Rates for commercial and industrial properties will be increased based on impervious surface and square footage.
—Samuel O'Neal, Fort Worth Star-Telegram, 26 Dec. 2025
See All Example Sentences for impervious
Scott Travis, Sun Sentinel, 13 Jan. 2026
Everyone aspires to the level of confidence that quiets the fear of failure, impervious to what an audience might think.
—Sam Sodomsky, Pitchfork, 11 Jan. 2026
Trump, however, is impervious to legal restraints.
—Christine Ledbetter, Chicago Tribune, 4 Jan. 2026
Rates for commercial and industrial properties will be increased based on impervious surface and square footage.
—Samuel O'Neal, Fort Worth Star-Telegram, 26 Dec. 2025
See All Example Sentences for impervious
Recent Examples of Synonyms for impervious
Adjective
-
The massacre prompted a national reckoning about violence against women and led to tighter gun laws.—
Lex Harvey,
CNN Money,
11 Feb. 2026
-
However, despite workers’ noticeable preference for remote positions, the demands of employers and a much tighter job market suggest many may need to adjust to the new realities of the marketplace.—
Victoria Baeza Garcia,
Dallas Morning News,
10 Feb. 2026
Adjective
-
For years, astronomers have debated whether planets this massive could form through core accretion, the slow, bottom-up process in which solid material clumps together into a dense core that then pulls in vast amounts of gas.—
Samantha Mathewson,
Space.com,
10 Feb. 2026
-
In Earth’s deep interior and under enormous pressure, a dense, hot and fluid metal core began to churn.—
Mindy Weisberger,
CNN Money,
10 Feb. 2026
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.—
Paul Cappiello,
Louisville Courier Journal,
21 Nov. 2025
-
The discovery could enable large-scale use of impermeable coatings once limited by graphene’s scalability issues.—
Aamir Khollam,
Interesting Engineering,
12 Nov. 2025
Adjective
-
Over the years, Grey and Pollan have remained close, often supporting one another through personal and professional milestones.—
Danielle Minnetian,
FOXNews.com,
10 Feb. 2026
-
The bus depot is two stories beneath the train platform and several blocks from the closest stairway.—
DP Opinion,
Denver Post,
10 Feb. 2026
Adjective
-
These caverns under sidewalks could be used for storage, and circular pieces of thick glass in the sidewalk added natural light to these eerie underground chambers.—
Jacques Kelly,
Baltimore Sun,
7 Feb. 2026
-
The Bucklebury countryside is known for its thick woodlands, which add an extra layer of privacy to the exclusive area, attracting a less-flashy set.—
Bailey Bujnosek,
InStyle,
7 Feb. 2026
Adjective
-
Mexico’s iconic Yucatan Peninsula is a place of contrasts, where impenetrable jungle meets wide open ocean, lush vegetation meets sandy shores, and vibrant energy meets pure serenity.—
Condé Nast Traveler,
Condé Nast Traveler,
5 Feb. 2026
-
To a dog, our fervent and prolonged goodbyes at the front door might seem as peculiar and impenetrable as the greetings of an orca do to us.—
Shayla Love,
New Yorker,
4 Feb. 2026
Adjective
-
Which explains couldn’t: if Meta had ever been a monopoly, there’s no way its shareholders would have ever allowed $70 billion in new spending meant to expand an already impregnable moat.—
John Tamny,
Forbes.com,
21 Jan. 2026
-
But their quarterback issues could make those defenses look impregnable.—
Kevin Cusick,
Twin Cities,
30 Nov. 2025
Adjective
-
On some of the country’s biggest lakes, often hundreds of miles wide with no current, an unfavorable wind made a waterway impassible.—
Outside,
Outside,
7 Feb. 2026
-
Laudable, unless the walk to the bus stop is impassable.—
Boston Herald editorial staff,
Boston Herald,
5 Feb. 2026
Cite this Entry
“Impervious.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/impervious. Accessed 14 Feb. 2026.
Copy CitationLove words? Need even more definitions?
Merriam-Webster unabridged
