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|Adj.||1.||imperviable - not admitting of passage or capable of being affected; "a material impervious to water"; "someone impervious to argument"|
impermeable - preventing especially liquids to pass or diffuse through; "impermeable stone"; "an impermeable layer of scum"; "a coat impermeable to rain"
Based on WordNet 3.0, Farlex clipart collection. © 2003-2012 Princeton University, Farlex Inc.