noun.
The state or characteristic of being lavish.
WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
noun.
excessive spending
noun.
the quality possessed by something that is excessively expensive
Word Usage
"I know the super rich and some have worked really hard -- I can think of one billionaire who came from nothing and if his lavishness has been a bit gross, I know his bank account got a good kick recently."