impenetrable

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English[edit]

Etymology[edit]

From Middle French impenetrable, from Latin impenetrabilis.

Adjective[edit]

impenetrable (not comparable)

  1. Not penetrable.
    The fortress is impenetrable, so it cannot be taken.
    • 2012 December 21, John Branch, “Snow Fall : The Avalanche at Tunnel Creek”, New York Time:
      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.
  2. (figuratively) Incomprehensible; inscrutable.
    Business jargon makes this document impenetrable, I can't understand it.

Antonyms[edit]

Translations[edit]



Spanish[edit]

Etymology[edit]

From Latin impenetrabilis.

Adjective[edit]

impenetrable m, f (plural impenetrables)

  1. impenetrable
    • 1867, Cesare Cantù, Historia universal, 8, page 118:
      como una muralla impenetrable