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
Waterproof materials are impervious to water, providing a complete barrier, while water-resistant materials only resist water penetration to a certain degree before the water seeps through.
—
Sophie Flaxman, Better Homes & Gardens, 22 Sep. 2025
Various groups develop impervious boundaries, neutralizing the effectiveness of people who have to interact across them.
—Carol Kinsey Goman, Forbes.com, 25 Aug. 2025
Roads, sidewalks, parking lots and even rooftops create more impervious surfaces where water falls and can't be absorbed into the ground.
—Laura Schulte, jsonline.com, 15 Aug. 2025
His position is secure but not impervious to public opinion.
—Colin Pascal, Baltimore Sun, 11 Aug. 2025
See All Example Sentences for impervious
Sophie Flaxman, Better Homes & Gardens, 22 Sep. 2025
Various groups develop impervious boundaries, neutralizing the effectiveness of people who have to interact across them.
—Carol Kinsey Goman, Forbes.com, 25 Aug. 2025
Roads, sidewalks, parking lots and even rooftops create more impervious surfaces where water falls and can't be absorbed into the ground.
—Laura Schulte, jsonline.com, 15 Aug. 2025
His position is secure but not impervious to public opinion.
—Colin Pascal, Baltimore Sun, 11 Aug. 2025
See All Example Sentences for impervious
Recent Examples of Synonyms for impervious
Adjective
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Other surveys suggest a much tighter race.—
Martha McHardy,
MSNBC Newsweek,
25 Oct. 2025
-
Heat therapy is most beneficial for pain caused by tight or stiff muscles.—
RikkiLynn Shields Hannigan,
Health,
25 Oct. 2025
Adjective
-
Have a Veggie and Bean Breakfast Hash Mixing potatoes, bell pepper, spinach, zucchini, mushrooms, and black beans into a fiber-rich breakfast hash is a colorful and nutrient-dense way to start your day.—
Morgan Pearson,
Verywell Health,
21 Oct. 2025
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The confounding discovery of a human femur has created a mystery in the dense woods of rural North Carolina.—
Mark Price,
Charlotte Observer,
21 Oct. 2025
Adjective
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The company says the finalized Bio foil provides the full and appropriate level of impermeable barrier protection and odorless performance.—
New Atlas,
New Atlas,
9 Oct. 2025
-
Chocolate brown stripes punctuate a light charcoal gray background, and the low-pile weave made from recycled polyester gives it an impermeable, easy-to-clean surface.—
Julia Harrison,
Architectural Digest,
6 Oct. 2025
Adjective
-
Royal expert and author Christopher Andersen said Princess Anne, who has been a close confidant and advisor to her brother Charles for a while, was likely involved in the decision.—
Lizzie Lanuza,
StyleCaster,
21 Oct. 2025
-
Let’s take a closer look at the best mowing height and timing to prepare your lawn for the cold ahead.—
Mary Marlowe Leverette,
Southern Living,
21 Oct. 2025
Adjective
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The most recent eruption occurred in June, spewing thick clouds of gas and molten rock as high as 4 miles into the air at some points.—
Julia Jacobo,
ABC News,
22 Oct. 2025
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Without thick sheets of ice to buttress it, the rock face becomes destabilized.—
Ella Nilsen,
CNN Money,
22 Oct. 2025
Adjective
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Yes, only two additional albums in 30 years since his 1995 debut, with a 14-year gap between the second and third, but an impenetrable recipe for everyone from Beyoncé to Kendrick Lamar.—
Kevin Powell,
MSNBC Newsweek,
16 Oct. 2025
-
For instance, in The Trial, Kafka looks at alienation vis-à-vis a faceless, impenetrable bureaucracy.—
Big Think,
Big Think,
14 Oct. 2025
Adjective
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After all, his introduction of cable cars had fueled the city’s expansion southward, connecting residents, through and over hills once considered impassable, to their places of employment and giving rise to many of Kansas City’s historic neighborhoods.—
Michael Wells,
Kansas City Star,
22 Oct. 2025
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Each loop of the driveway produced an impassable snowdrift in winter, but by then Carol and Mike were on the coast, watching waving kelp fronds from their living room.—
Literary Hub,
Literary Hub,
17 Oct. 2025
Adjective
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Designed by Hydro Tec, the modern, muscular exterior is characterized by a sturdy steel displacement hull, a distinctive bulbous bow, and a lightweight aluminum superstructure.—
Rachel Cormack,
Robb Report,
27 Oct. 2025
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Be sure to cover your head and neck with your arms, and crawl under a sturdy table if possible.—
CA Earthquake Bot,
Sacbee.com,
27 Oct. 2025
Cite this Entry
“Impervious.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/impervious. Accessed 28 Oct. 2025.
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