1. 
   unmalleable
   [adj] - difficult or impossible to shape or work
   Found op http://www.webdictionary.co.uk/definition.php?query=unmalleable
   
   
2. 
   unmalleable
   adjective difficult or impossible to shape or work
   Found op http://wordnetweb.princeton.edu/perl/webwn?s=unmalleable
   
   
3. 
   unmalleable
   1) Difficult or impossible to shape or work 2) Intractable
   Found op http://www.mijnwoordenboek.nl/EN/crossword-dictionary/unmalleable/1
   
   

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