ADAGIO MUSIC Meaning of ADAGIO MUSIC in English adagio Music [ ə'dα:(d)ʒɪəʊ ]■ adverb & adjective in slow time. ■ noun ( plural adagios ) an adagio passage.OriginItal., from ad agio 'at ease'. Concise Oxford English vocab. Сжатый оксфордский словарь английского языка. 2004