WordNet sense 1 (unrestrained by convention or morality):

debauched, degenerate, dissipated, dissolute, fast, libertine, profligate, riotous, degenerate

WordNet sense 2 (deliberately violating accepted principles of right and wrong):

immoral

WordNet sense 3 (lowered in value):

debased, devalued

WordNet sense 4 (less than normal in degree or intensity or amount):

low