verismoPronunciation: /vɛˈrɪzməʊ/Definition of verismo noun [mass noun] realism in the arts, especially late 19th-century Italian opera. the verismo genre of opera, as composed principally by Puccini, Mascagni, and Leoncavallo: [as modifier]:a splendid verismo tenorOrigin:Italianverismo in other Oxford dictionaries Definition of verismo in the US English dictionary