lisbon lisboa • lise meitner · · · Info · Definitions · Characters · · lisbon · · Text Latin · · Script 6 · · Length 2 · · Syllables Definitions · · · (noun) 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 Atlantic. Synonyms: Lisbon, Lisboa, capital of Portugal. · · Noun Definition 1 Characters · · b latin small letter b U+0062 i latin small letter i U+0069 l latin small letter l U+006C n latin small letter n U+006E o latin small letter o U+006F s latin small letter s U+0073