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Related to impenetrability: density


1. The quality or condition of being impenetrable.
2. The inability of two bodies to occupy the same space at the same time.


(ɪmˌpɛn ɪ trəˈbɪl ɪ ti, ˌɪm pɛn-)

1. the state or quality of being impenetrable.
2. the property of matter by which two bodies cannot occupy the same space simultaneously.
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.impenetrability - the quality of being impenetrable (by people or light or missiles etc.)
quality - an essential and distinguishing attribute of something or someone; "the quality of mercy is not strained"--Shakespeare
penetrability, perviousness - the quality of being penetrable (by people or light or missiles etc.)
2.impenetrability - incomprehensibility by virtue of being too dense to understand
incomprehensibility - the quality of being incomprehensible


[ɪmˌpenɪtrəˈbɪlɪtɪ] Nimpenetrabilidad f


nUndurchdringlichkeit f; (of fortress)Uneinnehmbarkeit f; (of enemy lines)Undurchlässigkeit f; (of mind, character, mystery)Unergründlichkeit f; (of theory)Undurchschaubarkeit f, → Undurchsichtigkeit f
References in classic literature ?
I will put her to some test," thought I: "such absolute impenetrability is past comprehension.
He prided himself on his impenetrability before Dona Rita; on the happiness without a shadow of those four days.
It was with an agitated, burning heart and brain that I hurried homewards, regardless of that scorching noonday sun - forgetful of everything but her I had just left - regretting nothing but her impenetrability, and my own precipitancy and want of tact - fearing nothing but her hateful resolution, and my inability to overcome it - hoping nothing - but halt, - I will not bore you with my conflicting hopes and fears - my serious cogitations and resolves.
She took her hands from the desk; folded them in her lap; and sat looking towards the fire, with the impenetrability of an old Egyptian sculpture.
The impenetrability of the imperial center and the difficulty of locating the sovereign do not present a mere spatial challenge for these knights-errant who are used to a different set of rules of navigation.
ADT, Vivint and SimpliSafe understand that their solutions don't improve the impenetrability of your home," Blust said.
And, much to their collective surprise - and despite numerous boasts from the chief constable about the prison's impenetrability - Houdini miraculously emerged fully-clothed in as little as three-and-a-half minutes later.
But the events of September 11, 2001, revealed the existence of another wall: the mutual impenetrability of human communities, despite the prodigious and ever-growing ease of communication.
Bychkov excuses Losev's impenetrability as a limitation of all such metaphysical systems, which "sound rather like manuals for certain kinds of activities (such as sports, yoga, or meditation) that contain instructions and descriptions but do not (because they cannot) actually include the activities described.
The impenetrability of Europe s external borders has meant that Mauritania has also progressed from being a transit country to being a country where people, mainly West African migrants, have settled.
Walking through a dense tangle of green briar, blackberry and assorted barberry and other nasty brush, I found myself caught up in a web of impenetrability.
The judiciary in the constitution: lost opportunities for reform and enshrinement of the judiciary's impenetrability