Impervious meaning

ĭm-pûr'vē-əs
The definition of impervious is not being able to be penetrated or not able to be hurt.

An example of impervious is a fabric that does not allow any liquid to pass through.

An example of impervious is a figurine made out of indestructible material.

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Incapable of being penetrated.

A material impervious to water.

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Unaffected or unable to be affected by.

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

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Incapable of being passed through or penetrated.

A fabric impervious to moisture.

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Preventive of any penetration; impenetrable, impermeable, particularly of water.

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

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

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Incapable of being affected.

Impervious to fear.

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Origin of impervious

  • From Latin impervius in- not in–1 pervius pervious pervious
    From American Heritage Dictionary of the English Language, 5th Edition
  • From Latin impervius (“cannot be passed through”), from in- (“not”) + pervius (“letting things through”)
    From Wiktionary