1. 
   Indefinably
   In`de·fin'a·bly adverb In an indefinable manner.
   Found op http://www.encyclo.co.uk/webster/I/41
   
   
2. 
   Indefinably
   • (adv.) In an indefinable manner.
   Found op http://thinkexist.com/dictionary/meaning/indefinably/
   
   
3. 
   indefinably
   indefinably Related 'end' units: term-, ultim-.
   Found op http://www.wordinfo.info/words/index/info/view_unit/825/3
   
   

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