unrestrained by convention or morality; "Congreve draws a debauched aristocratic society"; "deplorably dissipated and degraded"; "riotous living"; "fast women"
a person who has fallen into a decadent state (morally or artistically)
marked by excessive self-indulgence and moral decay; "a decadent life of excessive money and no sense of responsibility"; "a group of effete self-professed intellectuals"
old; no longer in use or valid or fashionable; "obsolete words"; "an obsolete locomotive"; "outdated equipment"; "superannuated laws"; "out-of-date ideas"