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impenetrability
 
Noun impenetrability has 2 senses
  1. impenetrability, imperviousness - resistance to penetration by a liquid
    --1 is a kind of impermeability, impermeableness
    Antonyms: penetrability, perviousness
  2. impenetrability, impenetrableness - incomprehensibility by virtue of being too dense to understand
    --2 is a kind of incomprehensibility
impels impend impended impendence impendency impendind impending impending impenetrability impenetrable impenetrable impenetrableness impenetrably impenetrated impenitence impenitency impenitent

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