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
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
Trump, however, is impervious to legal restraints.
—Christine Ledbetter, Chicago Tribune, 4 Jan. 2026
Rates for commercial and industrial properties will be increased based on impervious surface and square footage.
—Samuel O'Neal, Fort Worth Star-Telegram, 26 Dec. 2025
Supernatural beliefs, conspiracy theories and pseudoscience have struck researchers as totally impervious to contrary evidence.
—Eli Elster, The Conversation, 2 Dec. 2025
See All Example Sentences for impervious
Sam Sodomsky, Pitchfork, 11 Jan. 2026
Trump, however, is impervious to legal restraints.
—Christine Ledbetter, Chicago Tribune, 4 Jan. 2026
Rates for commercial and industrial properties will be increased based on impervious surface and square footage.
—Samuel O'Neal, Fort Worth Star-Telegram, 26 Dec. 2025
Supernatural beliefs, conspiracy theories and pseudoscience have struck researchers as totally impervious to contrary evidence.
—Eli Elster, The Conversation, 2 Dec. 2025
See All Example Sentences for impervious
Recent Examples of Synonyms for impervious
Adjective
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But while China has portrayed the renminbi as a convenient and safe currency for global trade, experts said that tight controls on moving money in and out of the country will deter investors and financial institutions from relying too heavily on renminbi reserves.—
Stephanie Yang,
CNN Money,
4 Feb. 2026
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But groups like Alpha Omega, which already operate with extremely tight finances, have to prepare for the worst.—
Natalie Wallington,
MLK50,
3 Feb. 2026
Adjective
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Mountain search and rescue crews are scouring the dense terrain and asking neighbors to check the scrub for any evidence, Lamie added.—
Amanda Musa,
CNN Money,
4 Feb. 2026
-
Cold front Tuesday Clouds will dominate Central Texas on Tuesday morning, along with areas of patchy to dense fog that could reduce visibility during the morning commute, especially west of Austin, where winds will be lighter.—
Newsroom Meteorologist,
Austin American Statesman,
3 Feb. 2026
Adjective
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The impermeable seed coat strategy generally helps survival of the species by making sure all of a season’s crop don’t germinate in the same year.—
Paul Cappiello,
Louisville Courier Journal,
21 Nov. 2025
-
The discovery could enable large-scale use of impermeable coatings once limited by graphene’s scalability issues.—
Aamir Khollam,
Interesting Engineering,
12 Nov. 2025
Adjective
-
Moltbook’s emergence suggests that a future in which bots act autonomously is closer than previously thought.—
semafor.com,
semafor.com,
3 Feb. 2026
-
Recent reporting has put a spotlight on Medicaid fraud and what can happen when large public programs operate without close oversight.—
Miki Kapoor,
New York Daily News,
3 Feb. 2026
Adjective
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The Ukrainian military is especially keen on more supplies of thicker fishing nets.—
Tim Lister,
CNN Money,
1 Feb. 2026
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To Dallas’ astoundingly great luck, the arrival and rise of Cooper Flagg has been a bright ray of hope and excitement, but with Doncic back in the building the air was thick with gloom, regret and, yes, ongoing anger.—
Brad Townsend,
Dallas Morning News,
31 Jan. 2026
Adjective
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Getting a loan approved could open doors that were previously closed to you, and receiving help and support from others could melt walls that previously felt impenetrable.—
Steph Koyfman,
Condé Nast Traveler,
29 Jan. 2026
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In a refreshing departure from so many impenetrable Marvel series past, creators Deston Daniel Cretton and Andrew Guest expediently fill in viewers on the essential points of Trevor’s backstory.—
Judy Berman,
Time,
26 Jan. 2026
Adjective
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But their quarterback issues could make those defenses look impregnable.—
Kevin Cusick,
Twin Cities,
30 Nov. 2025
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OpenAI wasn’t a fortress, wasn’t impregnable.—
Jim Cramer,
CNBC,
16 Nov. 2025
Adjective
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This week, Boston schools were closed for two days because sidewalks were impassable and some streets clogged with snow.—
Joe Battenfeld,
Boston Herald,
29 Jan. 2026
-
In North Baltimore, the street next to Jim Freaney's home was impassable, like several others in the city.—
Mike Hellgren,
CBS News,
27 Jan. 2026
Cite this Entry
“Impervious.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/impervious. Accessed 4 Feb. 2026.
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