Source : Webster's Revised Unabridged Dictionary (1913)

Indirectly \In`di*rect"ly\, adv.
   In an direct manner; not in a straight line or course; not in
   express terms; obliquely; not by direct means; hence,
   unfairly; wrongly.

         To tax it indirectly by taxing their expense. --A.
                                                  Smith.

         Your crown and kingdom indirectly held.  --Shak.

Source : WordNet®

indirectly
     adv : not in a forthright manner; "he answered very indirectly"
           [ant: {directly}]