AskDefine | Define impervious

Dictionary Definition

impervious adj : not admitting of passage or capable of being affected; "a material impervious to water"; "someone impervious to argument" [syn: imperviable] [ant: pervious]

User Contributed Dictionary

English

Etymology

From impervius "cannot be passed through," from in- "not" + pervius "letting things through"

Pronunciation

Adjective

  1. unaffected or unable to be affected by
    The man was completely impervious to the deception we were trying.
  2. preventative of any penetration; impenetrable, impermeable
    Although patchworked and sagging, the roof proved impervious to the weather.
  3. immune to damage or effect
    The old car seemed to be impervious to the wear and tear of age.

Translations

unaffected or unable to be affected by
  • Russian: непроницаемый, невосприимчивый, неуязвимый
preventative of any penetration; impenetrable, impermeable
  • Russian: непроницаемый
immune to damage or effect
  • Russian: невосприимчивый, неуязвимый

Synonyms, Antonyms and Related Words

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