Synonyms for Run-down (same or very similar meaning)
WordNet sense 1 (worn and broken down by hard use):
creaky, decrepit, derelict, flea-bitten, woebegoneWordNet sense 2 (affected by wear; damaged by long use):
wornWordNet sense 3 (not performing or able to perform its regular function):
nonfunctional, malfunctioningFrom the ODE community, based on WordNetadd/edit