decadent
adjective
he turned his back on decadent city life:
dissolute, dissipated, degenerate, corrupt, depraved, louche, rakish, shameless, sinful, unprincipled, immoral, licentious, wanton, abandoned, unrestrained, profligate, intemperate, fast-living;
sybaritic, voluptuary, epicurean, hedonistic, pleasure-seeking, indulgent, self-indulgent.
▷antonyms moral.
decadent Oxford Dictionary of English