1. 
   Sisyphean
   [adj] - of or relating to Sisyphus 2. [adj] - both extremely effortful and futile
   Found op http://www.webdictionary.co.uk/definition.php?query=Sisyphean
   
   
2. 
   Sisyphean
   Sis`y·phe'an adjective Relating to Sisyphus; incessantly recurring; as, Sisyphean labors.
   Found op http://www.encyclo.co.uk/webster/S/110
   
   
3. 
   Sisyphean
   adjective both extremely effortful and futile
   Found op http://wordnetweb.princeton.edu/perl/webwn?s=Sisyphean
   
   
4. 
   Sisyphean
   adjective of or relating to Sisyphus
   Found op http://wordnetweb.princeton.edu/perl/webwn?s=Sisyphean
   
   
5. 
   Sisyphean
   • (a.) Relating to Sisyphus; incessantly recurring; as, Sisyphean labors.
   Found op http://thinkexist.com/dictionary/meaning/sisyphean/
   
   
6. 
   Sisyphean
   Sisyphean Sisyphus, a crafty king of ancient Corinth. A reference to endless heartbreaking toil when anyone is engaged in Sisyphean work. The term comes from the legend of Sisyphus, an ancient king of Corinth, who was sent to Hades for crimes against his subjects and condemned forever to roll a hug...
   Found op http://www.wordinfo.info/words/index/info/view_unit/3481/6
   
   
7. 
   sisyphean
   1) Mythical being 2) Sisyphean
   Found op http://www.mijnwoordenboek.nl/EN/crossword-dictionary/sisyphean/1
   
   

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