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IMPERVIOUS
| Pronunciation (US): |  | (GB): | |
I. (adjective)
Sense 1
Meaning:
Not admitting of passage or capable of being affected
Example:
someone impervious to argument
Synonyms:
imperviable; impervious
Classified under:
Similar:
fast (resistant to destruction or fading)
acid-fast (not easily decolorized by acid solutions; pertains to micro-organisms (especially the tubercle bacillus that causes tuberculosis))
colorfast (having color that is resistant to fading or running)
greaseproof (resistant to penetration by grease or oil or wax)
moth-resistant; mothproof (resistant to damage by moths)
proof ((used in combination or as a suffix) able to withstand)
resistant (impervious to being affected)
corrosion-resistant (impervious to corrosion)
rot-resistant (resistant to rotting)
ladder-proof; run-resistant; runproof ((of hosiery) resistant to runs or (in Britain) ladders)
soundproof (impervious to, or not penetrable by, sound)
Also:
impermeable (preventing especially liquids to pass or diffuse through)
Antonym:
pervious (admitting of passage or entrance)
Derivation:
imperviousness (the quality of being impenetrable (by people or light or missiles etc.))
