imperviousness

/ɪmˈpɜːrviəsnəs/
noun
  1. The quality of not allowing something to pass through; impermeability.
    • The imperviousness of the new roofing material kept the house dry during the storm.
    • The imperviousness of the clay layer prevents groundwater from seeping deeper.
    • Scientists tested the imperviousness of the fabric to various liquids.
  2. The quality of being unaffected or uninfluenced by something.
    • The team's imperviousness to pressure helped them win the championship.
    • His imperviousness to cold weather amazed his friends from warmer climates.
    • Her imperviousness to criticism made her a strong leader.
What does "imperviousness" mean? | whatsthatwordmean | whatsthatwordmean