impenetrable impenetrable  /ɪm ˈpɛ nə trə bəl/


  1. (adj) not admitting of penetration or passage into or through
  2. (adj) permitting little if any light to pass through because of denseness of matter
  3. (adj) impossible to understand


Derived Word(s)


  1. For one, the group the Administration named Sunday as providing weapons to the insurgents the Islamic Revolutionary Guard Corps's Quds force is virtually impenetrable.
  2. Case in point: the vast, impenetrable western reaches of the Amazon.
  3. He works in an impenetrable shadow of secrecy: we know almost nothing about what he does or how he does it.


  1. The Dark and Dreamy Rock of Sigur Rós

    Sometimes even the alien can become familiar. When it comes to the musical mainstream, Sigur Rós – a post-rock group from Iceland, known for their impenetrable lyrics and atmospheric, celestial sound – is pretty out there. But over the past few years, their music has been slowly worming its way into our ears, heard in the films of Wes Anderson and on television shows like CSI. More recently, the ...
    on June 18, 2013     Source: Time Magazine

  2. Marc Jacobs Called Cara Delevingne a Dwarf

    Cara Delevingne, model of many faces, catapulted into stardom during September's fashion weeks — even reaching a seemingly impenetrable point where she was comfortable enough to tell glossies that she was getting a bit tired of modeling. She was crowned London's top model for her catwalk appearances at their fall fashion ... More »
    on June 17, 2013     Source: New York Magazine

  3. Much ado about Shakespeare: A brief, hipper Bard in Taunton

    For those who find Shakespeare’s works impenetrable — and for those who adore his every word — this modern, fast-paced comedy show is made for them.
    on June 17, 2013     Source: The Taunton Gazette


  1. Haynes "wanted to talk to me before I read the script, which was actually really wise, because the script was verging on impenetrable," Blanchett said. "Because it was a filmmaker script, all the pieces of the puzzle were in Todd's mind. I...
    on Oct 8, 2007 By: Cate Blanchett Source: Washington Post

  2. "My indigenous accent," McKidd said -- in his proper British style -- "is completely impenetrable. Even I don't understand it."
    on Jul 30, 2007 By: Kevin McKidd Source: Sacramento Bee

  3. "I watched a few minutes, and I was so confused," said Abrams, who also created the ABC series. "It was impenetrable. I was like, 'I know I should understand this. But who the (expletive) is that guy?' "
    on Jul 23, 2008 By: JJ Abrams Source: San Jose Mercury News

Word of the Day
affectation affectation
/ˌæ fɛk ˈteɪ ʃən /