1. 
   heartlessness
   [n] - an absence of concern for the welfare of others
   Found op http://www.webdictionary.co.uk/definition.php?query=heartlessness
   
   
2. 
   heartlessness
   coldheartedness noun an absence of concern for the welfare of others
   Found op http://wordnetweb.princeton.edu/perl/webwn?s=heartlessness
   
   
3. 
   heartlessness
   1) An absence of concern for the welfare of others 2) Coldheartedness 3) Coldness 4) Cruelty 5) Hardheartedness 6) Insensitivity 7) Lack of sympathy 8) Pitilessness 9) Unconcern
   Found op http://www.mijnwoordenboek.nl/EN/crossword-dictionary/heartlessness/1
   
   

Tip: double click on a word to show its meaning.