Definition, Meaning & Synonyms
impenetrable
adjective
/ɪmˈpɛnɪtrəbl/

Definition
Unable to be pierced or entered.

Examples
- The fortress’s walls were impenetrable, making it difficult for enemies to invade.
- Her thoughts were often impenetrable, leaving her friends puzzled.
- The dense fog made the forest impenetrable to outsiders.

Meaning
Describes something that cannot be accessed or understood; something that is difficult or impossible to penetrate.

Synonyms
- impassable
- inscrutable
- unfathomable
- obscure