squalid -
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"
disreputable lacking respectability in character or behavior or appearance
squalid -
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"
soiled,
unclean,
dirty having a physical or moral blemish so as to make impure according to dietary or ceremonial laws; "unclean meat"; "and the swine...is unclean to you"-Leviticus 11:3