Source : Webster's Revised Unabridged Dictionary (1913)

Revolting \Re*volt"ing\, a.
   Causing abhorrence mixed with disgust; exciting extreme
   repugnance; loathsome; as, revolting cruelty. --
   {Re*volt"ing*ly}, adv.

Source : WordNet®

revoltingly
     adv : in a disgusting manner or to a disgusting degree; "the
           beggar was disgustingly filthy" [syn: {disgustingly}, {distastefully},
            {sickeningly}]