extravagance

noun
1
the act or habit of spending more money than you can afford or than is necessary
اسراف, ولخرجی
2
something that you buy although it costs a lot of money, perhaps more than you can afford or than is necessary
ولخرجی, تجمل
Going to the theatre is our only extravagance.
3
something that is impressive or likely to attract attention because it is unusual or extreme
اسراف, ریخت‌وپاش
the extravagance of Strauss’s music