1. 
   nonfeasance
   [n] - a failure to act when under an obligation to do so
   Found op http://www.webdictionary.co.uk/definition.php?query=nonfeasance
   
   
2. 
   nonfeasance
   noun a failure to act when under an obligation to do so; a refusal (without sufficient excuse) to do that which it is your legal duty to do
   Found op http://wordnetweb.princeton.edu/perl/webwn?s=nonfeasance
   
   
3. 
   NONFEASANCE
   Failure to perform some act which should have been performed.
   Found op http://www.glossarycentral.com/legal/nonfeasance.html
   
   
4. 
   nonfeasance
   1) A failure to act when under an obligation to do so 2) Dereliction
   Found op http://www.mijnwoordenboek.nl/EN/crossword-dictionary/nonfeasance/1
   
   

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