Impenetrably
adverb
Impossible to pass through or enter.
The forest was so dense that it was almost impenetrably thick.

Often appears as...
- impenetrably thick
- impenetrably dark
adverb
Difficult to understand because of being metaphoric or complex.
His poems are so impenetrably complex that some readers give up.

Often appears as...
- impenetrably complex
- impenetrably obscure
Usage tips
Disapproving
Academic
adverb
Impossible to pass through or enter.
The forest was so dense that it was almost impenetrably thick.

Often appears as...
- impenetrably thick
- impenetrably dark
adverb
Difficult to understand because of being metaphoric or complex.
His poems are so impenetrably complex that some readers give up.

Often appears as...
- impenetrably complex
- impenetrably obscure
Usage tips
Disapproving
Academic
Definition 1 of 2

Visual Context
Use 'impenetrably' to describe places or things that are visually hard to get through.

The fog was impenetrably thick, obscuring the path ahead.
Physical Barrier
'Impenetrably' often refers to a physical barrier that cannot be easily passed.

The castle’s walls were impenetrably fortified.
Sensory Intensity
It suggests something so intense it overwhelms the senses, making penetration seem impossible.

The silence in the room was impenetrably deep.
Visual Context
Use 'impenetrably' to describe places or things that are visually hard to get through.

The fog was impenetrably thick, obscuring the path ahead.
Physical Barrier
'Impenetrably' often refers to a physical barrier that cannot be easily passed.

The castle’s walls were impenetrably fortified.
Sensory Intensity
It suggests something so intense it overwhelms the senses, making penetration seem impossible.

The silence in the room was impenetrably deep.
Visual Context
Use 'impenetrably' to describe places or things that are visually hard to get through.

The fog was impenetrably thick, obscuring the path ahead.
Physical Barrier
'Impenetrably' often refers to a physical barrier that cannot be easily passed.

The castle’s walls were impenetrably fortified.
Sensory Intensity
It suggests something so intense it overwhelms the senses, making penetration seem impossible.

The silence in the room was impenetrably deep.
Video examples
Why should you read...
It's true that some sections are impenetrably dense at first glance, but it's up to the reader to let their eyes skim over them or break out a shovel and dig in. And once you start excavating the text, you'll find the book to be an encyclopedic treasure trove.
Video examples
Why should you read...
It's true that some sections are impenetrably dense at first glance, but it's up to the reader to let their eyes skim over them or break out a shovel and dig in. And once you start excavating the text, you'll find the book to be an encyclopedic treasure trove.
Example 1 of 1
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