impervious (HyperDic hyper-dictionary)

English > 1 sense of the word *impervious*:
ADJECTIVE	all	impervious, imperviable	not admitting of passage / passage or capable of being affected

impervious > pronunciation
Sounds	ihmper'viyahs
Rhymes	abacus ... zealous: 1164 rhymes with ahs...

English > *impervious*: 1 sense > adjective 1
Meaning	not admitting of passage / passage or capable of being affected.
Examples	"a material impervious to water" "someone impervious to argument"
Synonym	imperviable
Narrower	acid-fast	not easily decolorized by acid solutions
	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
Opposite	pervious	Admitting of passage / passage or entrance
Spanish	impermeable, insensible
Catalan	impermeable, insensible
Nouns	imperviousness	the quality of being impenetrable (by people or light or missiles etc.)

HyperDic: impervious