im·pen·e·tra·ble

[im-pen-i-truh-buhl]
adjective
1.
not penetrable; that cannot be penetrated, pierced, entered, etc.
2.
inaccessible to ideas, influences, etc.
3.
incapable of being understood; inscrutable; unfathomable: an impenetrable mystery.
4.
Physics. possessing impenetrability.

Origin:
1425–75; late Middle English impenetrabel < Latin impenetrābilis. See im-2, penetrable

im·pen·e·tra·ble·ness, noun
im·pen·e·tra·bly, adverb


3. incomprehensible, mysterious, obscure, hidden.


3. clear, lucid.
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2013.
Cite This Source Link To impenetrable
00:10
Impenetrable is always a great word to know.
So is interrobang. Does it mean:
a stew of meat, vegetables, potatoes, etc.
a printed punctuation mark (‽), available only in some typefaces, designed to combine the question mark (?) and the exclamation point (!), indicating a mixture of query and interjection, as after a rhetorical question.
Collins
World English Dictionary
impenetrable (ɪmˈpɛnɪtrəbəl) [Click for IPA pronunciation guide]
 
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
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009
Cite This Source
Example sentences
The shoots collapse in mid to late summer, forming a dense, impenetrable mat of
  stems and leaves.
These weeds can develop dense, impenetrable stands that crowd out native plants.
People often think of public art as being something that's abstract or
  impenetrable or something that's sort of imposed upon them.
Learned biases may exist, but they are not impenetrable.
Copyright © 2013 Dictionary.com, LLC. All rights reserved.
  • Please Login or Sign Up to use the Recent Searches feature
FAVORITES
RECENT