WordWeb Online

1. Worried and uneasy
   - ungratified, unsatisfied
    
2. Ceaselessly in motion
   "the restless sea"; "the restless wind"
    
3. Nervous and unable to relax
   "a restless child";
   - antsy [N. Amer, informal], fidgety, fretful, itchy, on edge, keyed-up, twitchy [informal]
    
4. Lacking or not affording physical or mental rest
   "a restless night";
   - uneasy

See also: anxious, discontent, discontented, moving, nervous, queasy, tense, uneasy, unquiet

Antonym: reposeful

Encyclopedia: Restless