Impenetrable definition

ĭm-pĕnĭ-trə-bəl
(physics) Having that property of matter by which two bodies are prevented from occupying the same space at the same time.
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The fortress is impenetrable, so it cannot be taken.

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(figuratively) Incomprehensible; inscrutable.

Business jargon makes this document impenetrable, I can't understand it.

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The definition of impenetrable is cannot be passed through or solved.

An example of something impenetrable is an overgrown hiking trail; an impenetrable trail.

An example of something impenetrable is a riddle that has never been figured out.

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Impossible to penetrate or enter.

An impenetrable fortress.

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Impossible to understand; incomprehensible.

Impenetrable jargon.

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Impervious to sentiment or argument.

An impenetrable heart.

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That cannot be penetrated or passed through.

An impenetrable jungle.

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That cannot be solved or understood; unfathomable; inscrutable.
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Unreceptive to ideas, impressions, influences, etc.
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Origin of impenetrable

  • From Middle French impenetrable, from Latin impenetrabilis.

    From Wiktionary

Impenetrable Sentence Examples

  • One hauled it open, and she peered into the impenetrable depths.

  • The whole is clothed with impenetrable forest.

  • A waterlogged soil is impenetrable by air, and owing to the continuous process of evaporation and radiation, its temperature is much below that of drained soil.

  • I did not read it at the time I held it in my hands because it seemed too dense, too impenetrable.

  • The plateau is partly grass land without bush and forest, partly steppe covered with mimosa bush, which sometimes is almost impenetrable.

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