the GNU version of the Collaborative International Dictionary of English
n. The quality or state of being lavish.
The Century Dictionary and Cyclopedia
n. The state or quality of being lavish; profusion; prodigality.
WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
n. excessive spending
n. 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."