/ Thesaurus / L Synonyms of lavishness Find synonyms for: Noun1. lavishness, luxury, sumptuosity, sumptuousness, expensivenessusage: the quality possessed by something that is excessively expensive2. extravagance, prodigality, lavishness, highlife, high life, waste, wastefulness, dissipationusage: excessive spendingWordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: magnanimous Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language