n.
Pronunciation: ik- ' stra-vi-g ə n(t)s
Function: noun
Date: 1640
1 a : an instance of excess or prodigality specifically : an excessive outlay of money b : something extravagant <a new car is an extravagance we can't afford>
2 : the quality or fact of being extravagant <the extravagance of the decorations>