/ Thesaurus / L Synonyms of las vegas Find synonyms for: Noun1. Las Vegasusage: largest city in Nevada; located in southeastern Nevada; originally settled by Mormons but is now famous for entertainment and gambling and general excessWordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: imprudent Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language