degenerate

[1]	devolve , decline , deteriorate , deteriorate , drop , decay , sink , worsen , backslide , regress , retrogress , weaken , go to the dogs , go to rack and ruin , (Colloq) go to pot

[1]	pervert , deviant , deviate
[2]	reprobate , debauchee , wastrel , profligate , rake , rakehell , pervert , deviate

adj.

[1]	debased , degraded , corrupt , corrupted , vitiated , decadent , depraved , reprobate , dissolute , ignoble , base , low , inferior , vile
[2]	debauched , degraded , dissipated , dissolute , libertine , profligate , riotous , fast