impenetrability

Use Impenetrability in a sentence

impenetrability

[im-pen-i-truh-bil-i-tee, im-pen-]
noun
1.
the state or quality of being impenetrable.
2.
Physics. that property of matter by virtue of which two bodies cannot occupy the same space simultaneously.

Origin:
1655–65; impenetr(able) + -ability

Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
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World English Dictionary
impenetrable (ɪmˈpɛnɪtrəbəl)
 
adj
1.  incapable of being pierced through or penetrated: an impenetrable forest
2.  incapable of being understood; incomprehensible: impenetrable jargon
3.  incapable of being seen through: impenetrable gloom
4.  not susceptible to ideas, influence, etc: impenetrable ignorance
5.  physics (of a body) incapable of occupying the same space as another body
 
impenetra'bility
 
n
 
im'penetrableness
 
n
 
im'penetrably
 
adv

Collins English Dictionary - Complete & Unabridged 10th Edition
2009 © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
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Example sentences
Paralleling the untouchability of teaching tools is the impenetrability of
  modern junk.
The protective value of the shield is felt to lie in its supernatural qualities
  rather than impenetrability.
The green abyss is prime gorilla habitat because of its impenetrability.
The fascination soon peaked, however, stymied by synesthesia's sheer
  impenetrability.
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