Definition of imperviousness in English:

imperviousness

noun

See impervious

  • ‘The imperviousness to facts and analysis is also there.’
  • ‘I fear his intense, mind-beating politeness, his titanium imperviousness to human weakness, his barking power-laugh.’
  • ‘Their knife, which originated in Japan, is known for its smooth-rocking motion and imperviousness to acids, juices, oils and salts - unlike its steel sister.’
  • ‘I inherited my dad's imperviousness to cold - oh, I know when it's cold, but it doesn't plague me the way it does some.’
  • ‘They have these causal properties in virtue of the properties of their parts; e.g., the imperviousness (to gas molecules) and angle of the fan blade cause gas molecules that hit it to move in certain directions.’