allegro /əˈlɛɡɹoʊ/noun 3adjective 1adverb 1forms 1 noun3 •A tempo mark directing that a passage is to be played in a quick, lively tempo, faster than allegretto but slower than presto. •A passage having this mark.And what mean these outbursts and objurgations of his, you will ask; these suggestions, furtive, rhapsodical, mystical; this furibund allegro about Money, Mediums, and Bohemia; [...] — 1910 •An expressive mark indicating that a passage is to be played in a lively or happy manner, not necessarily quickly. adjective1 •in a quick and lively manner adverb1 •played in a quick, lively tempo formsallegros
