noun, plural ex·trav·a·gan·cies.
Examples from the Web for extravagancy
What extravagancy is not man capable of entertaining, when once his shackled reason is led in triumph by fancy and prejudice!
Hocus fed her extravagancy (what was still more shameful) with John's own money.The History of John Bull|John Arbuthnot
So soon as people have a little money they run into extravagancy, get in debt, and down it goes.The Life of Albert Gallatin|Henry Adams
This extravagancy, I can assure you, was believed by many above peuple.