- 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.
This piece of fabric is impervious to liquid.
- incapable of being passed through or penetrated: a fabric impervious to moisture
- not affected by: with to: impervious to pity
Origin of imperviousClassical Latin impervius: see in- and amp; pervious
- Incapable of being penetrated: a material impervious to water.
- Incapable of being affected: impervious to fear.
Origin of imperviousFrom Latin impervius : in-, not; see in–1 + pervius, pervious; see pervious.
(comparative more impervious, superlative most impervious)
- Unaffected or unable to be affected by.
- The man was completely impervious to the deception we were trying.
- Preventive of any penetration; impenetrable, impermeable, particularly of water.
- Although patchworked and sagging, the roof proved impervious to the weather.
- Immune to damage or effect.
- The old car seemed to be impervious to the wear and tear of age.