1. 
   invaluable
   [Adjective] Of very great importance, worth a great deal.
   Example: This is an invaluable chance for you to show off your skills.
   Found op http://www.bbc.co.uk/skillswise/glossary/
   
   
2. 
   invaluable
   [adj] - having incalculable monetary worth
   Found op http://www.webdictionary.co.uk/definition.php?query=invaluable
   
   
3. 
   Invaluable
   In·val'u·a·ble adjective Valuable beyond estimation; inestimable; priceless; precious.
   Found op http://www.encyclo.co.uk/webster/I/91
   
   
4. 
   invaluable
   priceless adjective having incalculable monetary, intellectual, or spiritual worth
   Found op http://wordnetweb.princeton.edu/perl/webwn?s=invaluable
   
   
5. 
   Invaluable
   • (a.) Valuable beyond estimation; inestimable; priceless; precious.
   Found op http://thinkexist.com/dictionary/meaning/invaluable/
   
   
6. 
   invaluable
   invaluable Intensely or extremely useful or valuable.
   Found op http://www.wordinfo.info/words/index/info/view_unit/2262/3
   
   
7. 
   invaluable
   1) Beyond price 2) Costly 3) Expensive 4) Incalculable 5) Inestimable 6) Precious 7) Priceless 8) Valuable
   Found op http://www.mijnwoordenboek.nl/EN/crossword-dictionary/invaluable/1
   
   

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