Wordnet 3.0
ADJECTIVE (1)
1. 
 nervous and unable to relax; 
- Example: "a constant fretful stamping of hooves"- Example: "a restless child"[syn: antsy, fidgety, fretful, itchy]
WordNet (r) 3.0 (2006):
antsy
    adj 1: nervous and unable to relax; "a constant fretful stamping
           of hooves"; "a restless child" [syn: antsy, fidgety,
           fretful, itchy]