larghettoPronunciation: /lɑːˈgɛtəʊ/ MusicDefinition of larghetto adverb & adjective (especially as a direction) in a fairly slow tempo. noun (plural larghettos) a passage or movement marked to be performed in a fairly slow tempo. Origin:Italian, diminutive of largo 'broad'larghetto in other Oxford dictionaries Definition of larghetto in the US English dictionary