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Related to impenetrable: indefatigable, poignant
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  • adj

Synonyms for impenetrable

Synonyms for impenetrable

incapable of being grasped by the intellect or understanding

Synonyms for impenetrable

not admitting of penetration or passage into or through


permitting little if any light to pass through because of denseness of matter


Related Words

impossible to understand

References in classic literature ?
Yes, and I say to you, if you are really strong, really superior, really pious, or impenetrable, which you were right in saying amounts to the same thing -- then be proud, sir, for that is the characteristic of predominance.
If such a miracle had been wrought, however, no traces of it remained behind, for within the antique frame nothing could be discerned save the impenetrable cloud, which had covered the canvas since the memory of man.
Keeping the boat's nose at a stiff angle I raced her for the impenetrable curtain which Nature had hung above this dying world to shut us out from the sight of our pursuing enemies.
In India, Vyasa is branching, strange, impenetrable as a pagoda.
Just beyond the doorway he found the passage completely clogged and choked by impenetrable masses of shattered rock.
When they had gone Tarzan gathered up two of the ingots and, springing into a tree, ran lightly above the tangled and impenetrable mass of undergrowth for a couple of hundred yards, to emerge suddenly upon a circular clearing about which the giants of the jungle forest towered like a guardian host.
I want to pay my respects to my dear aunt," Felix answered, perfectly impenetrable to his ungracious reception, and perfectly comfortable in a spacious arm-chair.
Well," said the impenetrable doctor, "if I set my wits at work, I believe I might account for it to the satisfaction of some people.
 "And how many impenetrable battleships strike terror to the hearts
An hour more had passed before the impenetrable old man closed his weary eyes, and consented to take his nourishment and compose himself to rest.
To-day," answered her nephew, with impenetrable patience.
Miss Morstan and I chatted in an undertone about our present expedition and its possible outcome, but our companion maintained his impenetrable reserve until the end of our journey.
These almost impenetrable forests were composed of pomegranates, orange-trees, citrons, figs, olives, apricots, bananas, huge vines, whose blossoms and fruits rivaled each other in color and perfume.
She felt herself clad in an impenetrable armor of falsehood.
The man came down again with an impenetrable face, and informed me that Miss Verinder was out.