penetrable

/ˈpɛnətrəbəl/
adjective
  1. Able to be entered, pierced, or passed through.
    • The castle walls were so thick they were barely penetrable by cannon fire.
    • The forest was dense but still penetrable on foot.
    • The thin fabric was easily penetrable by the needle.
  2. Able to be understood or figured out.
    • Her argument was clear and easily penetrable by the audience.
    • The technical manual was not penetrable to someone without engineering knowledge.
    • The mystery novel's plot was surprisingly penetrable after the first few chapters.
Antonyms
What does "penetrable" mean? | whatsthatwordmean | whatsthatwordmean