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Impenetrable vs Impervious - What's the difference?

impenetrable | impervious |

As adjectives the difference between impenetrable and impervious

is that impenetrable is not penetrable while impervious is unaffected or unable to be affected by.

impenetrable

English

Adjective

(-)
  • Not penetrable.
  • The fortress is impenetrable , so it cannot be taken.
  • * '>citation
  • The avalanche spread and stopped, locking everything it carried into an icy cocoon. It was now a jagged, virtually impenetrable pile of ice, longer than a football field and nearly as wide.
  • (figuratively) ; inscrutable.
  • Business jargon makes this document impenetrable , I can't understand it.

    Antonyms

    * penetrable

    impervious

    English

    Adjective

    (en adjective)
  • Unaffected or unable to be affected by.
  • *
  • , title=(The Celebrity), chapter=5 , passage=Although the Celebrity was almost impervious to sarcasm, he was now beginning to exhibit visible signs of uneasiness, the consciousness dawning upon him that his eccentricity was not receiving the ovation it merited.}}
  • Preventive of any penetration; impenetrable, impermeable, particularly of water.
  • Immune to damage or effect.
  • Antonyms

    * pervious

    Derived terms

    * imperviously * imperviousness