Source : Webster's Revised Unabridged Dictionary (1913)

Curiously \Cu"ri*ous*ly\, adv.
   In a curious manner.

Source : WordNet®

curiously
     adv 1: in a manner differing from the usual or expected; "had a
            curiously husky voice"; "he's behaving rather
            peculiarly" [syn: {oddly}, {peculiarly}]
     2: with curiosity; "the baby looked around curiously" [syn: {inquisitively},
         {interrogatively}]