The state or characteristic of being lavish.(noun)
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Use "lavishness" in a sentence
"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."
"Mr. Glegg; his eyes would have watered with true feeling over the sale of a widow's furniture, which a five-pound note from his side pocket would have prevented; but a donation of five pounds to a person "in a small way of life" would have seemed to him a mad kind of lavishness rather than "charity," which had always presented itself to him as a contribution of small aids, not a neutralizing of misfortune."
"But account director James Wright said that, while pre-GFC "lavishness" was nowhere to be seen in 2010 - and unlikely to make a rapid return - companies were back on the bandwagon for new strategies to retain workers who might be looking at a career change."