impervious

1. Not admitting of passage or capable of being affected (synset 301778210)
   "a material impervious to water"; "someone impervious to argument"
   also: impermeable - preventing especially liquids to pass or diffuse through
   similar to:

   • 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
   same as: imperviable

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