1.
living in luxury; indulgence; extravagant living
A lifestyle of excessive luxury and self-indulgence. Often carries a negative nuance suggesting wastefulness or lack of restraint.
Usage
The suffix 三昧 means "indulging fully in" and attaches to nouns to express doing something to excess. 贅沢三昧 specifically refers to living in excessive luxury. Often used with a critical or envious tone.