Impenetrable

//ɪmˈpɛnətɹəbəl// adj, noun

Definitions

Adjective
  1. 1
    Not penetrable. not-comparable

    "The fortress is impenetrable, so it cannot be taken."

  2. 2
    Opaque; obscure; not translucent or transparent. not-comparable

    "When night falls, she cloaks the world in impenetrable darkness."

  3. 3
    Incomprehensible; fathomless; inscrutable. figuratively, not-comparable

    "Business jargon makes this document impenetrable—I can’t understand it."

Adjective
  1. 1
    impossible to understand wordnet
  2. 2
    not admitting of penetration or passage into or through wordnet
  3. 3
    permitting little if any light to pass through because of denseness of matter wordnet
Noun
  1. 1
    A person not openly given to friendship.

    "I should lose the reputation that I am gradually acquiring among our impenetrables here, were I to confess the excitement which I felt at the idea of entering his house—the house of that great general under whose command you made your first charge."

Etymology

Etymology 1

From Middle English inpenetrabel, inpenetrabyle, from Middle French impenetrable or directly from its etymon, Latin impenetrābilis. By surface analysis, im- + penetrable.

Etymology 2

From Middle English inpenetrabel, inpenetrabyle, from Middle French impenetrable or directly from its etymon, Latin impenetrābilis. By surface analysis, im- + penetrable.

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