1. 
   Imperviable
   Im·per'vi·a·ble adjective Not pervious; impervious. [ R.] -- Im*per'vi*a*ble*ness , noun [ R.]
   Found op http://www.encyclo.co.uk/webster/I/19
   
   
2. 
   Imperviable
   • (a.) Not pervious; impervious.
   Found op http://thinkexist.com/dictionary/meaning/imperviable/
   
   
3. 
   imperviable
   1) Acid-fast 2) Colorfast 3) Fast 4) Greaseproof 5) Impermeable 6) Impervious 7) Ladder-proof 8) Moth-resistant 9) Mothproof 10) Proof 11) Resistant 12) Run-resistant 13) Runproof 14) Soundproof
   Found op http://www.mijnwoordenboek.nl/EN/crossword-dictionary/imperviable/1
   
   

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