squalid

"a seedy district"; "the seamy side of life"; "sleazy characters hanging around casinos"; "sleazy storefronts with...dirt on the walls"; "the sordid details of his orgies stank under his very nostrils"; "the squalid atmosphere of intrigue and betrayal";

"a flyblown bar on the edge of town"; "a squalid overcrowded apartment in the poorest part of town"; "squalid living conditions"; "sordid shantytowns";