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
This plant can grow as tall as eight feet and is impervious to drought.
—
Joshua Siskin, Oc Register, 14 Mar. 2026
Recent raids may try to instill fear, but this special communal space feels impervious to such weak displays.
—Lilliam Rivera, Los Angeles Times, 13 Mar. 2026
Strong, 20, also just seems completely impervious to any pitfalls of today’s game.
—Chris Branch, New York Times, 10 Mar. 2026
Connor Turan, with Freese and Nichols, said the fee is based on impervious areas.
—Catherine Dominguez, Houston Chronicle, 4 Mar. 2026
See All Example Sentences for impervious
Joshua Siskin, Oc Register, 14 Mar. 2026
Recent raids may try to instill fear, but this special communal space feels impervious to such weak displays.
—Lilliam Rivera, Los Angeles Times, 13 Mar. 2026
Strong, 20, also just seems completely impervious to any pitfalls of today’s game.
—Chris Branch, New York Times, 10 Mar. 2026
Connor Turan, with Freese and Nichols, said the fee is based on impervious areas.
—Catherine Dominguez, Houston Chronicle, 4 Mar. 2026
See All Example Sentences for impervious
Recent Examples of Synonyms for impervious
Adjective
-
But as the season has progressed and the pressure has increased, their margins of victory have become tighter.—
Dean Jones,
New York Times,
13 May 2026
-
Cornyn’s legislation comes as the four-term senator is locked in a tight GOP primary contest against Texas Attorney General Ken Paxton.—
Lauren Green,
The Washington Examiner,
12 May 2026
Adjective
-
In cases of near-zero visibility due to dense fog, initiate your hazard lights and locate a secure spot, such as a nearby business parking area, to pull over and come to a halt.—
NC Weather Bot,
Charlotte Observer,
12 May 2026
-
However, what really gives these native plants staying power is their easy-care vibe and ability to form a dense, groundcovering mat of foliage and blooms in just a year or two.—
Lauren Landers,
The Spruce,
12 May 2026
Adjective
-
The spongy material is mostly made of air, yet nearly impermeable to both air and liquid.—
Brandee Gruener,
Southern Living,
29 Apr. 2026
-
The outer layer hardened and became impermeable.—
Catherina Gioino,
Fortune,
11 Apr. 2026
Adjective
-
Sources close to Canvot, speaking anonymously to protect relationships, have told The Athletic that the message from Glasner after that error was simple.—
Matt Woosnam,
New York Times,
13 May 2026
-
López was one of the fiercest critics of then-Mayor Fúnez, a supporter of the mine and close ally of Honduras’ former president, Xiomara Castro.—
Marlon González,
Los Angeles Times,
13 May 2026
Adjective
-
The slain hikers were among 20 who set out to ascend the 1,355-meter (4,445-foot) volcano in defiance of safety restrictions and became stranded when Dukono erupted early Friday, spewing a thick ash column that rose about 10 kilometers (6 miles) into the air.—
ABC News,
ABC News,
9 May 2026
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The dead were among 20 hikers who set out to ascend the 4,445-foot volcano in defiance of safety restrictions and became stranded when Dukono erupted early Friday, spewing a thick ash column that rose about 6 miles into the air.—
Los Angeles Times,
Los Angeles Times,
9 May 2026
Adjective
-
When faced with a unified, impenetrable front that raises the geopolitical costs of his disruption, Trump simply moves on.—
Jeffrey Sonnenfeld,
Time,
11 May 2026
-
Elite defenses have increasingly tested and thwarted Denver’s once-impenetrable two-man game in the playoff moments that often steer front offices in their decision-making.—
Bennett Durando,
Denver Post,
1 May 2026
Adjective
-
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
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The multiple attacks could be seen as a major victory for the jihadis in a city seen as impregnable despite the jihadis often targeting troops and villages on the outskirts of the city.—
ABC News,
ABC News,
16 Mar. 2026
Adjective
-
Faced with an impassable strait, carriers did not hold vessels in indefinite anchorage.—
Glenn Taylor,
Footwear News,
7 May 2026
-
Many of the landmarks along the Byway are only open during the warm season, and heavy snowstorms and ice make some sections impassable during winter.—
Cu Fleshman,
Travel + Leisure,
3 May 2026
Cite this Entry
“Impervious.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/impervious. Accessed 15 May. 2026.
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