WordWeb Online

1. Disorderly fighting
   - hassle, scuffle, dogfight, rough-and-tumble

1. Fight or struggle in a confused way at close quarters
   "the drunken men started to tussle"
   - scuffle
    
2. Make messy or untidy
   "the child tussled up my hair"
   - muss [N. Amer]

Derived forms: tussled, tussling, tussles

Type of: combat, contend, disarrange, fight, fighting, scrap, struggle

Encyclopedia: Tussle