- unaffected or unable to be affected by
Translations: Etymology: From impervius "cannot be passed through," from in- "not" + pervius "letting things through"
- The man was completely to the deception we were trying.
- preventative of any penetration; impenetrable, impermeable
- Although patchworked and sagging, the roof proved to the weather.
- immune to damage or effect
- The old car seemed to be impervious to the wear and tear of age.
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