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