Source : Webster's Revised Unabridged Dictionary (1913)

Idly \I"dly\, adv.
   In a idle manner; ineffectually; vainly; lazily; carelessly;
   (Obs.) foolishly.

Source : WordNet®

idly
     adv : in an idle manner; "this is what I always imagined myself
           doing in the south of France, sitting idly, drinking
           coffee, watching the people" [syn: {lazily}]