Activities Hobbies Definition of Diminuendo Share PINTEREST Email Print Brandy Kraemer Hobbies Playing Music Playing Piano Music Education Playing Guitar Home Recording Contests Couponing Freebies Frugal Living Fine Arts & Crafts Astrology Card Games & Gambling Cars & Motorcycles Learn More By Brandy Kraemer Updated on 04/21/19 Definition: The Italian musical term diminuendo (abbreviated dim.) literally means “diminishing,” and is an indication to gradually decrease the volume of the music. The musical symbol for diminuendo is a closing angle, often followed by another dynamics command (see image).Opposite of crescendo. Also Known As: decrescendo (It) en diminuant; devenir moins fort; s’affaiblissant (Fr) verringernd; leiser werdend (Ger) Pronunciation: dim-in'-you-EN-doh More Dynamics Commands: andantino (sfz) sforzando (fff) fortississimo allegretto (mf) mezzo forte