1. 
   unjustifiably
   [adv] - without any excuse
   Found op http://www.webdictionary.co.uk/definition.php?query=unjustifiably
   
   
2. 
   unjustifiably
   adverb without any excuse; `he is unjustifiably harsh on her`
   Found op http://wordnetweb.princeton.edu/perl/webwn?s=unjustifiably
   
   
3. 
   unjustifiably
   unjustifiable, unjustifiably 1. Impossible to excuse, to pardon, or to justify; not justifiable. 2. Incapable of being justified or explained.
   Found op http://www.wordinfo.info/words/index/info/view_unit/1113/6
   
   
4. 
   unjustifiably
   1) Inexcusably 2) Without any excuse
   Found op http://www.mijnwoordenboek.nl/EN/crossword-dictionary/unjustifiably/1
   
   

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