Imperviousness
[im-pur-vee-uh s] /ɪmˈpɜr vi əs/
adjective
1.
not permitting penetration or passage; impenetrable:
The coat is impervious to rain.
2.
incapable of being injured or impaired:
impervious to wear and tear.
3.
incapable of being influenced, persuaded, or affected:
impervious to reason; impervious to another’s suffering.
/ɪmˈpɜːvɪəs/
adjective
1.
not able to be penetrated, as by water, light, etc; impermeable
2.
(often postpositive) foll by to. not able to be influenced (by) or not receptive (to): impervious to argument
adj.
1640s, from Latin impervius “that cannot be passed through,” from assimilated form of in- “not, opposite of” (see in- (1)) + pervius “letting things through,” from per “through” + via “road.” Related: Imperviously; imperviousness.
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