HyperDic: impervious

English > 1 sense of the word impervious:
ADJECTIVEallimpervious, imperviablenot admitting of passage / passage or capable of being affected
impervious > pronunciation
Soundsihmper'viyahs
Rhymesabacus ... zealous: 1164 rhymes with ahs...
English > impervious: 1 sense > adjective 1
Meaningnot admitting of passage / passage or capable of being affected.
Examples
  • "a material impervious to water"
  • "someone impervious to argument"
Synonymimperviable
Narroweracid-fastnot easily decolorized by acid solutions
colorfastHaving color / color that is resistant to fading or running
corrosion-resistantimpervious to corrosion
fastresistant to destruction or fading
greaseproofresistant to penetration by grease or oil or wax
mothproof, moth-resistantresistant to damage by moths
proof(used in combination or as a suffix) able to withstand
resistantimpervious to being affected
rot-resistantresistant to rotting
runproof, ladder-proof, run-resistant(of hosiery) resistant to runs or (in Britain) ladders
soundproofimpervious to, or not penetrable by, sound
See alsoimpermeablepreventing especially liquids / liquids to pass or diffuse through
OppositeperviousAdmitting of passage / passage or entrance
Spanishimpermeable, insensible
Catalanimpermeable, insensible
Nounsimperviousnessthe quality of being impenetrable (by people or light or missiles etc.)

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