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
Opponents said McLean’s plan would cut down 17 acres of trees and add 7 acres of impervious surfaces, worsening the periodic flooding that’s already a concern.
—
Don Stacom, Hartford Courant, 23 Jan. 2026
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
See All Example Sentences for impervious
Don Stacom, Hartford Courant, 23 Jan. 2026
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
See All Example Sentences for impervious
Recent Examples of Synonyms for impervious
Adjective
-
However, the buzz of the lobby and tight spaces throughout could make getting around the hotel a bit straining for those who require accessibility assistance.—
Condé Nast,
Condé Nast Traveler,
11 Mar. 2026
-
While the Heat are playing in a tight battle for postseason seeding, the Wizards continue in their race to the bottom, in a bid to firm up their lottery odds.—
Ira Winderman,
Sun Sentinel,
10 Mar. 2026
Adjective
-
If not eaten immediately, the lovely creaminess becomes a dense pile of goop with no hope of Cinderella-ing itself back to a luxurious state.—
Nina Moskowitz,
Bon Appetit Magazine,
10 Mar. 2026
-
And in between the mammals is an even denser profusion of bird life.—
Tom Vanderbilt,
Condé Nast Traveler,
10 Mar. 2026
Adjective
-
Armed with fabulous ensembles and accessories, as well as her quick wit, Maxine attempts to cross that impermeable line between the haves and the have-nots.—
Rosy Cordero,
Deadline,
2 Mar. 2026
-
My father’s 1930s interviews tell stories of couples who defied Chicago’s seemingly impermeable color line.—
Dorothy Roberts,
Time,
13 Feb. 2026
Adjective
-
The most appropriate action is to drive to the closest shelter available.—
KANSAS CITY STAR WEATHER BOT,
Kansas City Star,
11 Mar. 2026
-
The virus can spread through close contact with someone who is infected, such as by sharing food or eating utensils.—
Jasmine Mendez
Follow,
Los Angeles Times,
11 Mar. 2026
Adjective
-
Often called the Butterfly Nebula or the Bug Nebula, this object displays a striking structure involving two bright gas lobes extending in opposite directions, separated by a thick, dusty ring—known as a torus—around the central star.—
Rupendra Brahambhatt,
Interesting Engineering,
15 Mar. 2026
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Remove thick, dense piles of wet and matted leaves, or consider gently fluffing them up with a rake.—
Heather Zidack,
Hartford Courant,
14 Mar. 2026
Adjective
-
The material was porous and crumbly, allaying fears that the fuel might’ve fused into a diamond-hard mass impenetrable even to drills.—
Yusuke Maekawa,
Bloomberg,
8 Mar. 2026
-
The Arcadis report finds an impenetrable surface cover outlined in the next option, Alternative 5, to be unfeasible due to the site’s topography and other floodplain issues.—
Frederick Melo,
Twin Cities,
8 Mar. 2026
Adjective
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Already fairly impregnable, the Oscars for years has been protected in public view and behind the scenes by a series of federal, regional and local law enforcement groups and departments working in coordination under the auspices of the LAPD.—
Dominic Patten,
Deadline,
11 Mar. 2026
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Even with plentiful supplies, U.S. air-defense systems are not impregnable.—
Missy Ryan,
The Atlantic,
3 Mar. 2026
Adjective
-
The war in Iran has whipsawed oil markets as the Strait of Hormuz has remained largely impassible.—
Garrett Downs,
CNBC,
13 Mar. 2026
-
The Strait of Hormuz has been all but impassable since the opening salvos of the war, which continued for a 12th day with missiles and drones fired from both sides.—
Boston Herald Wire Services,
Boston Herald,
11 Mar. 2026
Cite this Entry
“Impervious.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/impervious. Accessed 16 Mar. 2026.
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