"impenetrable about" is a correct and usable phrase in written English.
It means something that is difficult or impossible to understand or get through. Example: His attitude towards relationships was impenetrable about his past trauma, making it hard for anyone to truly understand or connect with him.
It's a reaction to what they perceive as Romney's synthetic and calculating persona, the sense that he somehow embodies everything that's false and impenetrable about the parties in Washington.
There was something impenetrable about Mitterrand, which made it very difficult for Druet to capture him.
Although she gave parties and collected pictures and people, there was...something cool and impenetrable about her.
As Gore Vidal wrote in his foreword essay to her memoirs, "Although she gave parties and collected pictures and people there was – and is – something cool and impenetrable about Guggenheim.
As Gore Vidal wrote in his foreword essay to her memoirs, "Although she gave parties and collected pictures and people there was—and is something cool and impenetrable about Guggenheim.
Throughout my father's life, he maintained an impenetrable silence about his past, refusing to volunteer any information about his childhood in the shtetl, his time living as an impoverished immigrant in Brooklyn, or virtually anything at all about his family.
Throughout my father's life, he maintained an impenetrable silence about his past.
They seemed to have a huge store of facts & statistics on the U.S. and also an impenetrable ignorance about the quality and meaning of American life.
She and Blake had lived in London, Paris, Spain and Belgium while she was writing her first four books; her fourth, "House of All Nations," was a gargantuan, impenetrable novel about international banking.
The early planning seemed bogged down in impenetrable jargon about Olympic "themes" and dead phrases such as "celebrating youth and diversity".
When Quijada Googled both Bakhtiyarov and psychonetics, he found "a sea of impenetrable jargon" about "efforts to develop the human mind using a mix of Western and Eastern ideas," but nothing that made him suspicious of the group's motivations.
