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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.
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.


(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.
Random House Kernerman Webster's College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.
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
Based on WordNet 3.0, Farlex clipart collection. © 2003-2012 Princeton University, Farlex Inc.


[ɪmˌpenɪtrəˈbɪlɪtɪ] Nimpenetrabilidad f
Collins Spanish Dictionary - Complete and Unabridged 8th Edition 2005 © William Collins Sons & Co. Ltd. 1971, 1988 © HarperCollins Publishers 1992, 1993, 1996, 1997, 2000, 2003, 2005


nUndurchdringlichkeit f; (of fortress)Uneinnehmbarkeit f; (of enemy lines)Undurchlässigkeit f; (of mind, character, mystery)Unergründlichkeit f; (of theory)Undurchschaubarkeit f, → Undurchsichtigkeit f
Collins German Dictionary – Complete and Unabridged 7th Edition 2005. © William Collins Sons & Co. Ltd. 1980 © HarperCollins Publishers 1991, 1997, 1999, 2004, 2005, 2007
References in classic literature ?
'I meant by "impenetrability" that we've had enough of that subject, and it would be just as well if you'd mention what you mean to do next, as I suppose you don't mean to stop here all the rest of your life.'
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.
"I will put her to some test," thought I: "such absolute impenetrability is past comprehension."
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.
He prided himself on his impenetrability before Dona Rita; on the happiness without a shadow of those four days.
This, to us, is enough for chiefs to deal with any financial impenetrability.
While it is not unheard of for the eventual champions to gain an air of impenetrability, never before have we seen two teams do so and maintain that standard as the finishing line hoves into view.
Yet, Kay notes that despite the differences in the content of their work, both poets are associated with a certain degree of linguistic impenetrability. Dante appears to have been fundamental in asserting the importance of Arnaut's work within Italy, whilst simultaneously denigrating the reputation of the rather more well-regarded Guittone, from whose legacy he was fighting to free himself.
Unless they find experts, community, and information, a sense of loneliness and impenetrability can be unbearable, " says #317ubka, adding:" It is all reinforced by the fact that the fate of a child depends on the daily work of the parent and the child.
She argues that "the employment of popular music throughout Center Stage functions to break the impenetrability of ballet, securing its place within a more commercial (or lowbrow) mainstream, while elevating popular music to the role of reconstructing ideas about classical dance" (p.