/ Thesaurus / L Synonyms of lisboa Find synonyms for: Noun1. Lisbon, Lisboa, capital of Portugalusage: capital and largest city and economic and cultural center of Portugal; a major port in western Portugal on Tagus River where it broadens and empties into the AtlanticWordNet 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