impervious


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im·per·me·a·ble

(im-per'mē-ă-bĕl),
Not permeable; not permitting the passage of substances (for example, liquids, gases) or heat through a membrane or other structure.
Synonym(s): impervious
[L. im- permeabilis, not to be passed through]

impervious

(ĭm-pĕr′vē-ŭs) [L. impervius]
Unable to be penetrated.
References in classic literature ?
I began to occupy my house on the 4th of July, as soon as it was boarded and roofed, for the boards were carefully feather-edged and lapped, so that it was perfectly impervious to rain, but before boarding I laid the foundation of a chimney at one end, bringing two cartloads of stones up the hill from the pond in my arms.
Before winter I built a chimney, and shingled the sides of my house, which were already impervious to rain, with imperfect and sappy shingles made of the first slice of the log, whose edges I was obliged to straighten with a plane.
I thought not; and therefore I wished with all my heart that it might please heaven to remove him to a better world, or if that might not be, still to take him out of this; for if he were unfit to answer the summons now, after a warning sickness, and with such an angel by his side, it seemed but too certain that he never would be - that, on the contrary, returning health would bring returning lust and villainy, and as he grew more certain of recovery, more accustomed to her generous goodness, his feelings would become more callous, his heart more flinty and impervious to her persuasive arguments - but God knew best.
Before, dark and opaque bodies had surrounded me, impervious to my touch or sight; but I now found that I could wander on at liberty, with no obstacles which I could not either surmount or avoid.
Under the sheaths of muscles that were as armor, the fatal nerve center remained impervious.
His mind mean time, preoccupied with respectability, quailed be fore Schomberg's tongue and seemed absolutely impervious to my protestations; and I went so far as to protest that I would just as soon think of marrying my mother's (dear old lady
They swarmed numerous like locusts, industrious like ants, thoughtless like a natural force, pushing on blind and orderly and absorbed, impervious to sentiment, to logic, to terror too perhaps.
One hung over the after-capstan, sobbing for breath, and I stood amongst them like a tower of strength, impervious to disease and feeling only the sickness of my soul.
There she was, before me; built up, as it were, in a marble cell, impervious to any ray of light, or particle of sound; with her poor white hand peeping through a chink in the wall, beckoning to some good man for help, that an Immortal soul might be awakened.
Seen from a distance in such weather, Coketown lay shrouded in a haze of its own, which appeared impervious to the sun's rays.
Stelling concluded that Tom's brain, being peculiarly impervious to etymology and demonstrations, was peculiarly in need of being ploughed and harrowed by these patent implements; it was his favorite metaphor, that the classics and geometry constituted that culture of the mind which prepared it for the reception of any subsequent crop.
Despite the overwhelming body of evidence supporting the negative relationship between impervious surfaces and the environment, no one would seriously suggest that we stop paving streets or building parking lots.