Source : Webster's Revised Unabridged Dictionary (1913)

Itchy \Itch"y\, a.
   Infected with the itch, or with an itching sensation.
   --Cowper.

Source : WordNet®

itchy
     adj : unable to relax or be still; "a constant fretful stamping of
           hooves"; "itchy for excitement"; "a restless child"
           [syn: {fidgety}, {fretful}, {restless}]