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
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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
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Antonyms & Near Antonyms
Example Sentences
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Recent Examples of impervious
The dressing room is more impervious to external influence than any other in European football.
—
Sebastian Stafford-Bloor, New York Times, 14 Jan. 2026
DeSantis said the School District is an entity that is impervious to reform efforts, and raised the possibility of drastic action by the state.
—Anthony Mann, Miami Herald, 13 Jan. 2026
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
See All Example Sentences for impervious
Sebastian Stafford-Bloor, New York Times, 14 Jan. 2026
DeSantis said the School District is an entity that is impervious to reform efforts, and raised the possibility of drastic action by the state.
—Anthony Mann, Miami Herald, 13 Jan. 2026
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
See All Example Sentences for impervious
Recent Examples of Synonyms for impervious
Adjective
-
The elevator, though fully operational, is comically small—tight even for guests with robust suitcases.—
Condé Nast,
Condé Nast Traveler,
25 Feb. 2026
-
With Washington already debating tighter restrictions on exporting AI chips and cloud services to China, Anthropic’s allegations are likely to feed calls for new guardrails—while giving critics one more chance to note the uncomfortable symmetry at the heart of modern AI.—
Nick Lichtenberg,
Fortune,
24 Feb. 2026
Adjective
-
Regular attendees noticed the effect of a denser Fall/Winter schedule compared to previous seasons, and there were multiple dinners and cocktail events taking place each night.—
Maliha Shoaib,
Vogue,
24 Feb. 2026
-
My calves turned into dense, heavy cinder blocks.—
Dimity McDowell,
Time,
24 Feb. 2026
Adjective
-
My father’s 1930s interviews tell stories of couples who defied Chicago’s seemingly impermeable color line.—
Dorothy Roberts,
Time,
13 Feb. 2026
-
Driveway materials can be impermeable or permeable—so traditional concrete and asphalt, or a pervious solution that allows rainwater to pass through.—
Alexandra Kelly,
Martha Stewart,
9 Feb. 2026
Adjective
-
Visiting boats moor in the bay but keep to the far side, close enough to admire and distant enough to ignore.—
Condé Nast,
Condé Nast Traveler,
25 Feb. 2026
-
The senior got the final two outs, which kept the score close enough for the Hawks to tie the score in their half of the fifth inning.—
Lou Ponsi,
Oc Register,
25 Feb. 2026
Adjective
-
Alternatively, the far side has a thick crust, higher elevations and far fewer signs of previous volcanic activity, Andrews-Hanna said.—
Ashley Strickland,
CNN Money,
21 Feb. 2026
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Keranique formulas combine strengthening proteins, scalp-nourishing ingredients and lightweight volumizing technology to support thicker, fuller-looking hair for women of every age, and instantly boost the appearance of density, without weighing hair down.—
Tory Johnson,
ABC News,
21 Feb. 2026
Adjective
-
Blogs, tweets, and podcasts bypass traditional gatekeepers, bringing a wider array of voices into literary spaces that once seemed impenetrable.—
Literary Hub,
Literary Hub,
18 Feb. 2026
-
For decades, Silicon Valley has maintained a nearly impenetrable legal perimeter in the form of Section 230 of the Communications Decency Act, a 1996 law that allows tech companies to avoid legal responsibility for what its users post.—
Bobby Allyn,
NPR,
18 Feb. 2026
Adjective
-
South Africa’s racist system of Apartheid endured for generations and, so brutally was it maintained, appeared impregnable.—
Matthew Carey,
Deadline,
16 Feb. 2026
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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
Adjective
-
Until the 1950s, Livigno was completely isolated during the winter, when heavy snow would make the roads connecting it to Italy and Switzerland impassable.—
Laura Itzkowitz,
Travel + Leisure,
11 Feb. 2026
-
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
Cite this Entry
“Impervious.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/impervious. Accessed 25 Feb. 2026.
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