impenetrably
🇺🇸
/ɪmˈpenɪtrəbli/
🇬🇧
/ɪmˈpenɪtrəbli/
so difficult to understand that it's like a secret
The instructions were written in a language that was impenetrably complex.
指示は理解できないほど複雑な言語で書かれていました。
so thick or dense that nothing can pass through
The forest was so dense that it was impenetrably dark inside.
森は非常に密集していて、その内部は進入できないほど暗かった。