impenetrably
๐บ๐ธ
/ษชmหpenษชtrษbli/
๐ฌ๐ง
/ษชmหpenษชtrษbli/
so difficult to understand that it's like a secret
The instructions were written in a language that was impenetrably complex.
so thick or dense that nothing can pass through
The forest was so dense that it was impenetrably dark inside.