Source : Webster's Revised Unabridged Dictionary (1913)

Indistinctly \In`dis*tinct"ly\, adv.
   In an indistinct manner; not clearly; confusedly; dimly; as,
   certain ideas are indistinctly comprehended.

         In its sides it was bounded distinctly, but on its ends
         confusedly an indistinctly.              --Sir I.
                                                  Newton.

Source : WordNet®

indistinctly
     adv : in a dim indistinct manner; "we perceived the change only
           dimly" [syn: {dimly}]