Meaning | not admitting of passage / passage or capable of being affected. |
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Examples | - "a material impervious to water"
- "someone impervious to argument"
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Synonym | imperviable |
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Narrower | acid-fast | not easily decolorized by acid solutions |
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colorfast | Having color / color that is resistant to fading or running |
corrosion-resistant | impervious to corrosion |
fast | resistant to destruction or fading |
greaseproof | resistant to penetration by grease or oil or wax |
mothproof, moth-resistant | resistant to damage by moths |
proof | (used in combination or as a suffix) able to withstand |
resistant | impervious to being affected |
rot-resistant | resistant to rotting |
runproof, ladder-proof, run-resistant | (of hosiery) resistant to runs or (in Britain) ladders |
soundproof | impervious to, or not penetrable by, sound |
See also | impermeable | preventing especially liquids / liquids to pass or diffuse through |
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Opposite | pervious | Admitting of passage / passage or entrance |
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Spanish | impermeable, insensible |
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Catalan | impermeable, insensible |
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Nouns | imperviousness | the quality of being impenetrable (by people or light or missiles etc.) |
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