Definition of impenetrable in English:

impenetrable

Line breaks: im|pene|trable
Pronunciation: /ɪmˈpɛnɪtrəb(ə)l
 
/

adjective

Derivatives

impenetrability

Pronunciation: /-ˈbɪlɪti/
noun
More example sentences
  • The problems of secrecy, impenetrability, accountability, and representativeness, which have long been a focus for concern within the Community, are not addressed simply by giving added powers to the European Parliament.
  • The dizzying power struggles in the household contribute to a plot that starts out pointedly enigmatic, and flirts with chaos and impenetrability before resolving itself into gentle ambiguity.
  • Modern man among vast natural expanses, exhilarating waterfalls next to calm cherry blossoms, and the impenetrability of a forest alongside the openness of a bare field are some examples of the contrasts pictured.

impenetrably

adverb
More example sentences
  • But, whereas many people fear it as some kind of unapproachably dense and impenetrably difficult cornerstone of the Western canon, few seem to realise that it's actually very funny - hilarious at points, even.
  • Never mind the impenetrably named programs, what about the stuff that really matters: letters, music, video, e-mails, and all those useful nuggets picked up from the web?
  • Since that opening, in 1985, a system of arts funding has developed that is impenetrably complex, often manifestly unfair, and always unaccountable.

Origin

late Middle English: via French from Latin impenetrabilis, from in- 'not' + penetrabilis 'able to be pierced', from the verb penetrare (see penetrate).

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