Source : Webster's Revised Unabridged Dictionary (1913)

Deplorably \De*plor"a*bly\, adv.
   In a deplorable manner.

Source : WordNet®

deplorably
     adv : in an unfortunate or deplorable manner; "he was sadly
           neglected"; "it was woefully inadequate" [syn: {lamentably},
            {sadly}, {woefully}]