1. 
   regretful
   [adj] - having regret or sorrow or a sense of loss over something done or undone
   Found op http://www.webdictionary.co.uk/definition.php?query=regretful
   
   
2. 
   Regretful
   Re·gret'ful adjective Full of regret; indulging in regrets; repining. -- Re*gret'ful*ly , adverb
   Found op http://www.encyclo.co.uk/webster/R/40
   
   
3. 
   regretful
   adjective feeling or expressing regret or sorrow or a sense of loss over something done or undone; `felt regretful over his vanished youth`; `regretful over mistakes she had made`; `he felt bad about breaking t...
   Found op http://wordnetweb.princeton.edu/perl/webwn?s=regretful
   
   
4. 
   Regretful
   • (a.) Full of regret; indulging in regrets; repining.
   Found op http://thinkexist.com/dictionary/meaning/regretful/
   
   
5. 
   regretful
   1) Apologetic 2) Contrite 3) Penitent 4) Remorseful 5) Repentant 6) Rueful 7) Sorry
   Found op http://www.mijnwoordenboek.nl/EN/crossword-dictionary/regretful/1
   
   

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