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Related to impervious: impervious soil
1. Incapable of being penetrated: a material impervious to water.
2. Incapable of being affected: impervious to fear.
[From Latin impervius : in-, not; see in-1 + pervius, pervious; see pervious.]
impervious(ɪmˈpɜːvɪəs) (ɪmˈpɜːvɪəbəl) or
1. not able to be penetrated, as by water, light, etc; impermeable
2. (foll by: to) not able to be influenced (by) or not receptive (to): impervious to argument.
im•per•vi•ous(ɪmˈpɜr vi əs)
1. not permitting penetration or passage: The pelt is impervious to rain.
2. incapable of being injured or impaired: impervious to wear and tear.
3. incapable of being influenced or affected: impervious to reason.
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|Adj.||1.||impervious - not admitting of passage or capable of being affected; "a material impervious to water"; "someone impervious to argument"|
impermeable - preventing especially liquids to pass or diffuse through; "impermeable stone"; "an impermeable layer of scum"; "a coat impermeable to rain"
pervious - admitting of passage or entrance; "pervious soil"; "a metal pervious to heat"
adjective (with to)
1. unaffected by, immune to, unmoved by, closed to, untouched by, proof against, invulnerable to, unreceptive to, unswayable by They are impervious to all suggestion of change.
2. resistant to, sealed to, impenetrable by, invulnerable to, impassable to, hermetic to, impermeable by, imperviable by The floorcovering will need to be impervious to water.
substance, rock → undurchlässig; impervious to rain/water → regen-/wasserundurchlässig; coat, material → regen-/wasserdicht