1. 
   disappointing
   [adj] - not up to expectations
   Found op http://www.webdictionary.co.uk/definition.php?query=disappointing
   
   
2. 
   disappointing
   dissatisfactory adjective not up to expectations; `a disappointing performance from one who had seemed so promising`
   Found op http://wordnetweb.princeton.edu/perl/webwn?s=disappointing
   
   
3. 
   Disappointing
   • (p. pr. & vb. n.) of Disappoint
   Found op http://thinkexist.com/dictionary/meaning/disappointing/
   
   
4. 
   disappointing
   1) Dissatisfactory 2) Not up to expectations 3) Unsatisfactory 4) Unsatisfying
   Found op http://www.mijnwoordenboek.nl/EN/crossword-dictionary/disappointing/1
   
   

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