SORDID

characterized by filth, grime, or squalor, foul

morally degraded
SYN - seamy, seedy, sleazy, squalid
"The sordid details of his orgies stank under his very nostrils."

unethical or dishonest
SYN - dirty
ANT - reputable
"a sordid political campaign"

foul and run-down and repulsive
SYN - fly-blown, squalid
"sordid shanty towns"

meanly avaricious and mercenary
"sordid material interests"

"I of course had to give her all the sordid detais of the rat story."

"He didn't like to show this sordid side of his personality, but he would if that's what it would take."

"He had a sordid interest in coming to this place and he wasn't going to leave until this filthy desires was satisfied."