Exact(5)
"It's impenetrable".
If you're fourteen, Snapchat's user interface is intuitive; if you're twenty-two, it's intriguing; if you're over thirty-five, it's impenetrable.
"It's impenetrable," said Robert Baer, who visited the Hindu Kush area in the early nineties, before he was assigned to lead the C.I.A.'s anti-Saddam operations in northern Iraq.
It's impenetrable, but engrossing in a way that makes me wish I had the attention span to digest it.
The religious superstition of the creeks and hollers where the aftermath of the Great Depression endures has already fended off so many advances in rational thinking that it's impenetrable by now.
Similar(52)
To me, it painted a portrait of a system that is as humiliating as it is impenetrable, but Twitter's hashtag showed that much of Britain was seeing something quite different.
Part Stepford wife, part drag queen, part icy society diva, this mannered ideal of beauty suggested in its original heyday a glamour as polished as it was impenetrable.
I thought it was impenetrable".
Without an understanding of higher math, it is impenetrable.
Even then, it was impenetrable to most of the villagers, who spoke only a tribal vernacular.
If the family was strong before her death, it was impenetrable afterward.
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Since I tried Ludwig back in 2017, I have been constantly using it in both editing and translation. Ever since, I suggest it to my translators at ProSciEditing.

Justyna Jupowicz-Kozak
CEO of Professional Science Editing for Scientists @ prosciediting.com