allegro Ah-leh-GROE Your browser does not support the audio element. [ Italian ] Definition 1. A fast tempo marking between allegretto and vivace. 2. A composition in fast tempo, especially the first and last movements of a sonata, symphony, etc. See Also [Abbreviation] Allº Share Share on Facebook (opens in a new tab) Share on X (opens in a new tab) Last Updated: 2016-04-29 15:11:50