1. 
   failing
   [adj] - below acceptable in performance 2. [n] - a flaw or weak point 3. [n] - failure to reach a minimum required performance
   Found op http://www.webdictionary.co.uk/definition.php?query=failing
   
   
2. 
   Failing
   Fail'ing noun 1. A failing short; a becoming deficient; failure; deficiency; imperfection; weakness; lapse; fault; infirmity; as, a mental failing . « And ever in her mind she cast about For that unnoticed failing in herself....
   Found op http://www.encyclo.co.uk/webster/F/3
   
   
3. 
   failing
   adjective below acceptable in performance; `received failing grades`
   Found op http://wordnetweb.princeton.edu/perl/webwn?s=failing
   
   
4. 
   failing
   flunk noun failure to reach a minimum required performance; `his failing the course led to his disqualification`; `he got two flunks on his report`
   Found op http://wordnetweb.princeton.edu/perl/webwn?s=failing
   
   
5. 
   failing
   weakness noun a flaw or weak point; `he was quick to point out his wife`s failings`
   Found op http://wordnetweb.princeton.edu/perl/webwn?s=failing
   
   
6. 
   Failing
   • (p. pr. & vb. n.) of Fail • (n.) A failing short; a becoming deficient; failure; deficiency; imperfection; weakness; lapse; fault; infirmity; as, a mental failing. • (n.) The act of becoming insolvent of bankrupt.
   Found op http://thinkexist.com/dictionary/meaning/failing/
   
   
7. 
   failing
   
   1. a flaw or weak point
   2. be unsuccessful
   3. disappoint, prove undependable to; abandon, forsake
   4. stop operating or functioning
   5. be unable
   6. judge unacceptable
   7. fall short in what is expected
   8. prove insufficient
   9. get worse
   
   Found op
   
   
8. 
   failing
   1) Failed 2) Unsuccessful
   Found op http://www.mijnwoordenboek.nl/EN/crossword-dictionary/failing/1
   
   

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