decrescendo /ˌdiːkɹɪˈʃɛndəʊ/noun 2adjective 1verb 1forms 6 noun2 •An instruction to play gradually more softly. •A gradual decrease in volume or loudness of a piece of music. adjective1 •becoming quieter gradually. verb1 •To gradually become quieter formsdecrescendoed · decrescendoing · decrescendos · decrescendi · more decrescendo · most decrescendo