rinforzando UK /ˌɹɪnfɔːˈtsændəʊ/US /ˌɹɪnfɔɹˈtsændoʊ/noun 2adjective 1adverb 1forms 4 noun2 •A mark that indicates that a note is to be played with special emphasis. •A passage having this mark. adjective1 •Played in this style. adverb1 •In this style.(abbreviation) rf, rfz, rfz., rinf. formsrinforzandi · rinforzandos · more rinforzando · most rinforzando