Synonyms for Ratty (same or very similar meaning)
WordNet sense 1 (showing signs of wear and tear):
moth-eaten, shabby, tattyWordNet sense 2 (affected by wear; damaged by long use):
wornWordNet sense 3 (soiled or likely to soil with dirt or grime):
dirty, unclean, soiledFrom the ODE community, based on WordNetadd/edit