Synonym of EXTRAVAGANT

Proud : feeling deep pleasure or satisfaction as a result of one's own achievements, qualities, or possessions or those of someone with whom one is closely associated.
Expensive : costing a lot of money.
Wasteful : (of a person, action, or process) using or expending something of value carelessly, extravagantly, or to no purpose.
Reckless : heedless of danger or the consequences of one's actions; rash or impetuous.
Extravagant : lacking restraint in spending money or using resources.

Synonym of Extravagant is Wasteful