squalid in WordNet English dictionary

1. foul and run-down and repulsive
   "a flyblown bar on the edge of town"; "a squalid overcrowded apartment in the poorest part of town"; "squalid living conditions"; "sordid shantytowns"
   flyblown  squalid  sordid 
   
2. morally degraded
   "a seedy district"; "the seamy side of life"; "sleazy characters hanging around casinos"; "sleazy storefronts with...dirt on the walls"- Seattle Weekly; "the sordid details of his orgies stank under his very nostrils"- James Joyce; "the squalid atmosphere of intrigue and betrayal"
   seamy  seedy  sleazy  sordid  squalid