Activities Hobbies (rfz) rinforzando Share PINTEREST Email Print Aping Vision / Getty Images 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 02/15/19 Definition of Rinforzando: The Italian musical command rinforzando (abbreviated rfz) is an indication to play with gradual emphasis or broad accentuation until otherwise noted; lit. “reinforcing.” Similar to a light, progressive accentato.Not to be confused with (sfz) sforzando. Also Known As: en renforçant (Fr)stärker werdend; mit anschwellender Betonung (Ger) Pronunciation: rin'-fort-ZAHN-doh Common Misspellings: renforzando