Usually means: Cannot be passed through physically.
Definitions Related words Mentions History
We found 21 dictionaries that define the word impenetrability:

General (18 matching dictionaries)
  1. impenetrability: Merriam-Webster
  2. impenetrability: Oxford Learner's Dictionaries
  3. impenetrability: American Heritage Dictionary of the English Language
  4. impenetrability: Collins English Dictionary
  5. impenetrability: Vocabulary.com
  6. impenetrability: Wordnik
  7. impenetrability: Wiktionary
  8. impenetrability: Infoplease Dictionary
  9. Impenetrability, impenetrability: Dictionary.com
  10. Impenetrability: Wikipedia, the Free Encyclopedia
  11. Impenetrability: Online Plain Text English Dictionary
  12. impenetrability: Webster's Revised Unabridged, 1913 Edition
  13. impenetrability: Rhymezone
  14. Impenetrability: AllWords.com Multi-Lingual Dictionary
  15. impenetrability: Webster's 1828 Dictionary
  16. impenetrability: FreeDictionary.org
  17. impenetrability: Mnemonic Dictionary
  18. impenetrability: TheFreeDictionary.com

Business (1 matching dictionary)
  1. impenetrability: Legal dictionary

Computing (1 matching dictionary)
  1. impenetrability: Encyclopedia

Medicine (1 matching dictionary)
  1. online medical dictionary (No longer online)

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Definitions from Wiktionary (impenetrability)

▸ noun:  The characteristic of being impenetrable; invulnerability.

Similar:
impenetrableness, imperviousness, impregnability, imperviableness, imperviability, invulnerability, unimpugnability, impassability, impermeability, inviolability, more...

Opposite:
permeability, porosity, penetrability

Types:
solid, opaque, impermeable, insoluble, impassable, imperforate, impenetrable, unyielding, more...

Adjectives:
cognitive, absolute, mutual, relative, own, certain, very, apparent, such, ultimate, essential

▸ Words similar to impenetrability

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▸ Popular adjectives describing impenetrability

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▸ Rhymes of impenetrability

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Similar:
impenetrableness, imperviousness, impregnability, imperviableness, imperviability, invulnerability, unimpugnability, impassability, impermeability, inviolability, more...

Opposite:
permeability, porosity, penetrability

Types:
solid, opaque, impermeable, insoluble, impassable, imperforate, impenetrable, unyielding, more...

Adjectives:
cognitive, absolute, mutual, relative, own, certain, very, apparent, such, ultimate, essential



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