dissipation; prodigality; debauchery
若い頃の放蕩な暮らしを今は深く悔いている。
He deeply regrets his dissolute lifestyle in his youth.
放蕩の限りを尽くして財産を使い果たした。
He exhausted his fortune through utter debauchery.
放蕩息子が改心して家業を継いだ物語だ。
It's a story of a prodigal son who reformed and took over the family business.