Definify.com
Webster 1913 Edition
Extravagance
1.
A wandering beyond proper limits; an excursion or sally from the usual way, course, or limit.
2.
The state of being extravagant, wild, or prodigal beyond bounds of propriety or duty; want of moderation; excess; especially, undue expenditure of money; vaid and superfluous expense; prodigality;
as,
. extravagance
of anger, love, expression, imagination, demandsSome verses of my own, Maximin and Almanzor, cry vengeance on me for their
extravagance
. Dryden.
Syn. – Wildness; irregularity; excess; prodigality; profusion; waste; lavishness; unreasonableness; recklessness.