Source : Webster's Revised Unabridged Dictionary (1913)

Dizzily \Diz"zi*ly\ (d[i^]z"z[i^]*l[y^]), adv.
   In a dizzy manner or state.

Source : WordNet®

dizzily
     adv : in a giddy light-headed manner; "he walked around dizzily"
           [syn: {giddily}, {light-headedly}]