Usually means: Cannot be entered or pierced.
Definitions Related words Phrases Mentions Lyrics History Colors (New!)
We found 28 dictionaries that define the word Impenetrable:

General (24 matching dictionaries)
  1. impenetrable: Merriam-Webster
  2. impenetrable: Oxford Learner's Dictionaries
  3. impenetrable: American Heritage Dictionary of the English Language
  4. impenetrable: Collins English Dictionary
  5. impenetrable: Vocabulary.com
  6. Impenetrable, impenetrable: Wordnik
  7. impenetrable: Cambridge Advanced Learner's Dictionary
  8. impenetrable: Wiktionary
  9. impenetrable: Webster's New World College Dictionary, 4th Ed.
  10. impenetrable: The Wordsmyth English Dictionary-Thesaurus
  11. impenetrable: Infoplease Dictionary
  12. Impenetrable, impenetrable: Dictionary.com
  13. impenetrable: Cambridge Essential American English Dictionary
  14. Impenetrable: Online Plain Text English Dictionary
  15. impenetrable: Webster's Revised Unabridged, 1913 Edition
  16. impenetrable: Rhymezone
  17. impenetrable, impenetrable, impntrable: AllWords.com Multi-Lingual Dictionary
  18. impenetrable: Webster's 1828 Dictionary
  19. impenetrable: FreeDictionary.org
  20. impenetrable: Mnemonic Dictionary
  21. impenetrable: TheFreeDictionary.com
  22. impenetrable: Longman Dictionary of Contemporary English

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

Computing (1 matching dictionary)
  1. impenetrable: Encyclopedia

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

Slang (1 matching dictionary)
  1. Impenetrable: Urban Dictionary

(Note: See impenetrably as well.)

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Definitions from Wiktionary (impenetrable)

▸ adjective:  Not penetrable.
▸ adjective:  Opaque; obscure; not translucent or transparent.
▸ adjective:  (figuratively) Incomprehensible; fathomless; inscrutable.
▸ noun:  A person not openly given to friendship.

Similar:
uncomprehensible, incomprehensible, dense, heavy, thick, nonpenetrable, unpenetrable, inpenetrable, impermeable, unpenetrated, more...

Opposite:
penetrable, permeable, porous

Types:
solid, dense, thick, hard, tough, sturdy, strong, more...

Phrases:
Bwindi Impenetrable National Park, Bwindi Impenetrable Forest, impenetrable to light, become impenetrable, more...

Adjectives:
nigh, more, bwindi, adamantine, secret, own, future, first, same, mist, worst

Colors:
    charcoal,     obsidian,     midnight blue,     onyx,     slate gray, more...



▸ Words similar to Impenetrable

▸ Usage examples for Impenetrable

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▸ Wikipedia articles (New!)

▸ Popular adjectives describing Impenetrable

▸ Popular nouns described by Impenetrable

▸ Words that often appear near Impenetrable

▸ Rhymes of Impenetrable

▸ Invented words related to Impenetrable

Similar:
uncomprehensible, incomprehensible, dense, heavy, thick, nonpenetrable, unpenetrable, inpenetrable, impermeable, unpenetrated, more...

Opposite:
penetrable, permeable, porous

Types:
solid, dense, thick, hard, tough, sturdy, strong, more...

Phrases:
Bwindi Impenetrable National Park, Bwindi Impenetrable Forest, impenetrable to light, become impenetrable, more...

Adjectives:
nigh, more, bwindi, adamantine, secret, own, future, first, same, mist, worst

Colors:
    charcoal,     obsidian,     midnight blue,     onyx,     slate gray, more...



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