Marked by a luxurious or sensual way of life.
Example:
Eventually their sybaritic excesses consumed all their savings and forced them to lead a more restrained life.
The ancient city of Sybaris, founded by the Greeks in Italy, was famous for the wealth and hedonistic self-indulgence of its citizens, whose love of extravagance and sensuality made sybaritic a term for such learnings in any era.