The Collaborative International Dictionary of English v.0.48:

Fidgety \Fidg"et*y\, a.
   Restless; uneasy. --Lowell.
   [1913 Webster]

WordNet (r) 3.0 (2006):

fidgety
    adj 1: nervous and unable to relax; "a constant fretful stamping
           of hooves"; "a restless child" [syn: antsy, fidgety,
           fretful, itchy]

Moby Thesaurus II by Grady Ward, 1.0:

69 Moby Thesaurus words for "fidgety":
   agitated, all shook up, all-overish, bustling, convulsive,
   discomposed, disquieted, disturbed, eclamptic, excited, feverish,
   fidgeting, fitful, flurried, flustered, fluttering, fluttery,
   fretful, fussing, fussy, goosey, high-strung, in a quiver, jerking,
   jerky, jiggety, jittery, jumpy, nervous, nervy, orgasmic,
   perturbed, quivering, quivery, restive, restless, ruffled,
   saltatory, shaken, shaken up, shaking, shaky, shivering, shivery,
   shook up, skittery, spasmodic, spastic, spooky, stirred up, tense,
   trembling, trembly, tremulant, tremulous, troubled, troublous,
   turbulent, twitchety, twitching, twitchy, twittery, uneasy,
   unpeaceful, unquiet, unrestful, unsettled, upset, vellicative