definition of rit
- Updated September 01, 2016. Definition: Ritardando (or rit.) is an indication to gradually decrease the tempo of the music (opposite of accelerando). The length of a ritardando is extended by a dashed, horizontal line; and, if applicable, the previous tempo may be restored with the commands tempo primo or a tempo. The abbreviation rit. is sometimes used for ritenuto; ritenuto is often abbreviated to riten. to avoid confusion. Also Known As: en retardant; cÃ©dez; alongez (Fr)