1. Showing signs of wear and tear
   "shabby furniture";
   - moth-eaten, ratty, tatty [informal], grotty [Brit, informal]
    
2. Mean and unworthy and despicable
   "shabby treatment"

Derived forms: shabbier, shabbiest

See also: dishonorable [US], dishonourable [Brit, Cdn], worn

Encyclopedia: Shabby