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 proposal also would impose restrictions on impervious surfaces that allow little or no stormwater infiltration into the ground, like pavement and parking lots.
—
Austin Hornbostel, Nashville Tennessean, 5 Aug. 2025
Because optical fiber is impervious to electromagnetic interference, automakers are free to route cables through tight spaces.
—IEEE Spectrum, 21 July 2025
And even the mighty NFL isn’t impervious to the ravages of demographic drift, although the league’s absolute deliveries of the under-50 set remain the gold standard.
—Anthony Crupi, Sportico.com, 11 July 2025
The laws of physics are impervious to climate change.
—Evan Bush, NBC news, 8 July 2025
See All Example Sentences for impervious
Austin Hornbostel, Nashville Tennessean, 5 Aug. 2025
Because optical fiber is impervious to electromagnetic interference, automakers are free to route cables through tight spaces.
—IEEE Spectrum, 21 July 2025
And even the mighty NFL isn’t impervious to the ravages of demographic drift, although the league’s absolute deliveries of the under-50 set remain the gold standard.
—Anthony Crupi, Sportico.com, 11 July 2025
The laws of physics are impervious to climate change.
—Evan Bush, NBC news, 8 July 2025
See All Example Sentences for impervious
Recent Examples of Synonyms for impervious
Adjective
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American Airlines passengers who have tight connections to make could benefit from a new tool that was just introduced in Phoenix.—
Michael Salerno,
AZCentral.com,
5 Sep. 2025
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Rising prices, high rates, and economic uncertainty are combining to keep many aspiring homeowners on the sidelines, while those looking for homes contend with intense competition and tight supply.—
Nick Lichtenberg,
Fortune,
5 Sep. 2025
Adjective
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Goldens typically have longer, wavier coats, while Labs have shorter, dense double coats.—
Lydia Patrick,
MSNBC Newsweek,
9 Sep. 2025
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Available in just about every color of the rainbow, the flower heads range from tight buttons and dense domes to soft, feathery blooms.—
Kim Toscano,
Southern Living,
8 Sep. 2025
Adjective
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Rainfall would pool on the impermeable ground.—
Mrigakshi Dixit,
Interesting Engineering,
18 Aug. 2025
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But simply piling mounds of topsoil on top of hard clay ground can result in an impermeable layer, both to water and roots.—
Andy Wilcox,
Better Homes & Gardens,
7 Aug. 2025
Adjective
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Looking back at Charlotte’s recent FCS opponents, dating back to 2021, the 49ers haven’t won the turnover battle in any of the four matchups, resulting in uncomfortably close games and even a lopsided loss to William & Mary in 2022.—
Hunter Bailey,
Charlotte Observer,
10 Sep. 2025
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As Vevo’s Senior Manager of Talent Booking, Cynthia Todd emphasized the close partnership and trust that goes into making opportunities like these special performances come together in Live From Vevo Studios.—
Jeff Benjamin,
Forbes.com,
10 Sep. 2025
Adjective
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Because of that, thick fire walls were installed throughout the plant's buildings.—
Eileen Falkenberg-Hull,
MSNBC Newsweek,
4 Sep. 2025
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The air was damp and listless and the heat was something to wade through, thick as molasses.—
Literary Hub,
Literary Hub,
3 Sep. 2025
Adjective
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This is all meant to be impenetrable to outsiders, which is one reason for the confusion that follows shootings such as the one in Minneapolis.—
Charlie Warzel,
The Atlantic,
4 Sep. 2025
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Yet, across the water, a seemingly impenetrable wall of the invasive plants sways in the wind, several feet tall.—
Adriana Pérez,
Chicago Tribune,
31 Aug. 2025
Adjective
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Idaho 21 near Stanley is back open after a mudslide made a nearly 12-mile stretch of the road impassable after heavy rains Tuesday.—
Shannon Tyler,
Idaho Statesman,
29 Aug. 2025
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The National Hurricane Center has warned that roads in the low-lying barrier islands will become impassable, with powerful waves of 15 to 20 feet crashing ashore.—
Dinah Voyles Pulver,
USA Today,
22 Aug. 2025
Adjective
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The sturdy steel frame holds up to 650 pounds, while the insulated cup holders cool and keep drinks within reach.—
Francesca Krempa,
Travel + Leisure,
8 Sep. 2025
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If possible, drive to a nearby sturdy building.—
CA Weather Bot,
Sacbee.com,
8 Sep. 2025
Cite this Entry
“Impervious.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/impervious. Accessed 10 Sep. 2025.
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