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
Synonyms & Similar Words
Antonyms & Near Antonyms
Example Sentences
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Recent Examples of impervious
The business of brokering isn’t uniformly lucrative, but most of the night’s attendees work the high and very high ends of the market, which are generally impervious to economic downwinds, mortgage rates, war, and gravity.
—
Clio Chang, Curbed, 22 May 2026
Perhaps more damaging to his ego was the thought of not winning a Saudi title; of unexpectedly finding that a hitherto minor football league was impervious to his powers.
—Phil Hay, New York Times, 22 May 2026
In his view, a perspective from an external lens adds dimensionality to problems that may have become impervious or desensitized within a department.
—Daniel Fusch, USA Today, 18 May 2026
The drug, daraxonrasib, works by targeting KRAS, a protein inside the cancer cells that was previously considered to be impervious.
—Cara Lynn Shultz, PEOPLE, 14 May 2026
See All Example Sentences for impervious
Clio Chang, Curbed, 22 May 2026
Perhaps more damaging to his ego was the thought of not winning a Saudi title; of unexpectedly finding that a hitherto minor football league was impervious to his powers.
—Phil Hay, New York Times, 22 May 2026
In his view, a perspective from an external lens adds dimensionality to problems that may have become impervious or desensitized within a department.
—Daniel Fusch, USA Today, 18 May 2026
The drug, daraxonrasib, works by targeting KRAS, a protein inside the cancer cells that was previously considered to be impervious.
—Cara Lynn Shultz, PEOPLE, 14 May 2026
See All Example Sentences for impervious
Recent Examples of Synonyms for impervious
Adjective
-
The 7th Assembly District produced one of the region’s tightest races.—
Evelyn Ronan,
Sacbee.com,
10 June 2026
-
Pelvic floor disorders can occur when these muscles and tissues are too weak or too tight or don’t facilitate the proper functioning of these organs for other reasons.—
Stacey Colino,
Time,
9 June 2026
Adjective
-
Whether Tuchel will, in fact, be able to produce a more intense high-pressing style this summer, given the climate and the dense schedule, is another matter.—
Jack Pitt-Brooke,
New York Times,
10 June 2026
-
Visitors of historic New Castle are greeted with cobblestone streets, alleys, dense urbanism and a rich history that can only be found in a few other cities in the region.—
USA TODAY Network,
USA Today,
10 June 2026
Adjective
-
Dry waterproofing technology, which is basically like an invisible, impermeable sock liner.—
Olivia Young,
Travel + Leisure,
29 May 2026
-
The spongy material is mostly made of air, yet nearly impermeable to both air and liquid.—
Brandee Gruener,
Southern Living,
29 Apr. 2026
Adjective
-
Villegas was projected as the second candidate to advance on Tuesday, a week after the election, after a close contest.—
Caitlin Yilek,
CBS News,
10 June 2026
-
There is still just something about being part of the mood of the whole nation, and being up that close to see it, that is really cool.—
Jack Pitt-Brooke,
New York Times,
10 June 2026
Adjective
-
Whisk it in until the dressing is rich, thick, and emulsified, which takes less than a minute.—
Victoria Spencer,
Martha Stewart,
13 June 2026
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With adjustable straps, a thick elastic band, empire waist, and a ruffle trim, this Grace Karin maxi will become the most versatile dress in your closet.—
Stephanie Osmanski,
Better Homes & Gardens,
13 June 2026
Adjective
-
For 82 games and three-plus playoff rounds, the bunker remained impenetrable.—
Kristian Winfield,
New York Daily News,
9 June 2026
-
Which is okay, because the XLE serves as something of an impenetrable panic room and command center once parked.—
New Atlas,
New Atlas,
9 June 2026
Adjective
-
On that occasion a team made up of players who had all been born in Haiti shocked an Italy team famed for its impregnable defense.—
Laurent Dubois,
The Conversation,
10 June 2026
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The multiple attacks could be a major victory for the jihadis in a city seen as impregnable, despite attackers often targeting troops and villages on the outskirts of the city.—
Haruna Umar,
Los Angeles Times,
17 Mar. 2026
Adjective
-
The Strait carries roughly a fifth of the world’s oil, and remains largely impassable.—
Garrett Downs,
CNBC,
31 May 2026
-
Fire safety regulations have long required multifamily buildings to contain two or more staircases so that residents can exit their homes safely if one staircase is impassable because of smoke or other reasons.—
Alex Schwartz,
The Conversation,
29 May 2026
Cite this Entry
“Impervious.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/impervious. Accessed 14 Jun. 2026.
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