Hobbies Playing Music Definition of Diminuendo Share PINTEREST Email Print Brandy Kraemer Playing Music Playing Piano Tutorials Piano Chords Buying Advice Music Education Playing Guitar Home Recording 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 Featured Video