WordNet sense 1 (morally degraded):

seamy, seedy, sleazy, squalid

WordNet sense 2 (lacking in integrity):

corrupt

WordNet sense 3 (foul and run-down and repulsive):

flyblown

WordNet sense 4 (soiled or likely to soil with dirt or grime):

dirty, unclean, soiled

WordNet sense 5 (eager to acquire and possess things especially material possessions or ideas):

acquisitive