Definitions for impervious
ɪmˈpɜr vi əsim·per·vi·ous

Princeton's WordNetRate this definition:5.0 / 1 vote

1. impervious, imperviableadjective

   not admitting of passage or capable of being affected

   "a material impervious to water"; "someone impervious to argument"

WiktionaryRate this definition:3.0 / 2 votes

1. imperviousadjective

   unaffected or unable to be affected by

   The man was completely impervious to the deception we were trying.

2. imperviousadjective

   preventative of any penetration; impenetrable, impermeable, particularly of water

   Although patchworked and sagging, the roof proved impervious to the weather.

3. imperviousadjective

   immune to damage or effect

   The old car seemed to be impervious to the wear and tear of age.

4. Etymology: From impervius, from in- + pervius

Samuel Johnson's DictionaryRate this definition:0.0 / 0 votes

1. IMPERVIOUSadjective

   Etymology: impervius, Latin.

   1. Unpassable; impenetrable.

   We may thence discern of how close a texture glass is, since so very thin a film proved so impervious to the air, that it was forced to break the glass to free itself. Boyle.

   Lest the difficulty of passing back
   Stay his return, perhaps, over this gulf
   Impassable, impervious; let us try
   To found a path from hell to that new world. John Milton.

   The cause of reflexion is not the impinging of light on the solid or impervious parts of bodies. Isaac Newton, Opt.

   A great many vessels are, in this state, impervious by the fluids. Arbuthnot.

   From the damp earth impervious vapours rise,
   Increase the darkness, and involve the skies. Alexander Pope.

   2. Inaccessible. Perhaps improperly used.

   A river's mouth impervious to the wind,
   And clear of rocks. Alexander Pope, Odyssey.

WikipediaRate this definition:0.0 / 0 votes

1. impervious

   Permeability in fluid mechanics and the Earth sciences (commonly symbolized as k) is a measure of the ability of a porous material (often, a rock or an unconsolidated material) to allow fluids to pass through it.

Webster DictionaryRate this definition:5.0 / 1 vote

1. Imperviousadjective

   not pervious; not admitting of entrance or passage through; as, a substance impervious to water or air

How to pronounce impervious?

1. Alex

   US English

   David

   US English

   Mark

   US English

   Daniel

   British

   Libby

   British

   Mia

   British

   Karen

   Australian

   Hayley

   Australian

   Natasha

   Australian

   Veena

   Indian

   Priya

   Indian

   Neerja

   Indian

   Zira

   US English

   Oliver

   British

   Wendy

   British

   Fred

   US English

   Tessa

   South African

How to say impervious in sign language?

Numerology

1. Chaldean Numerology

   The numerical value of impervious in Chaldean Numerology is: 7

2. Pythagorean Numerology

   The numerical value of impervious in Pythagorean Numerology is: 3

Examples of impervious in a Sentence

1. Erik Pevernagie:

   We have got to let loose sometimes, rather than indulging intractably in self-harm or self-mistreatment, by pursuing impervious dreams. ( « Les choses avaient enfin perdu leur pesanteur » )

2. Lisa Lapin:

   The buildings are impervious to fire from the outside and they're constructed to be basically fire proof, evacuating the art would put it at greater danger. There's no need to move it, it's very, very safe.

3. Mike Smith:

   We're trying to find those companies that are impervious to what's going on right now.

4. Angela Berry:

   I like to think it’ll make a difference. But I think everybody is not impervious to the fact that this is political.

5. Kimano M. Edwards:

   A life dedicated to service is impervious to cynics and immune to regret.

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