/ Thesaurus / L Synonyms of lavishly Find synonyms for: Adverb1. extravagantly, lavishlyusage: in a wasteful manner; "the United States, up to the 1920s, used fuel lavishly, mainly because it was so cheap"2. lavishly, richly, extravagantlyusage: in a rich and lavish manner; "lavishly decorated"WordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: tenacious Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language