Definition Of impervious


not allowing fluid to pass through.

an impervious layer of basaltic clay

Example Of impervious

  • an impervious layer of basaltic clay

  • ‘We'll have to get police escorts for you, sir,’ the soldier said imperviously .

  • From years of denial and austere behavioural therapy groups - whether in school or privately with a psychiatrist - there are some who are imperviously self-conscious and rely heavily on medication to mask whatever symptoms may surface.

  • He was not entirely impervious to new evidence, however.

  • he worked, apparently impervious to the heat

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