WordWeb Online

1. Used until no longer useful
   "worn-out shoes with flapping soles";
   - raddled
    
2. Drained of energy or effectiveness; very tired
   "only worn-out horses and cattle";
   - exhausted, dog-tired, fagged, fatigued, played out, spent, washed-out, worn out, fried [N. Amer], pooped [N. Amer]

See also: tired, worn

Encyclopedia: Worn-out