Origin of fortissimoIt, superlative of forte, forte
nounpl. -·mos· or -·mi·
a fortissimo passage
In a very loud manner. Used chiefly as a direction.
A note, chord, or passage played fortissimo.
Origin of fortissimoItalian superlative of forte strong ; see forte 2.
- (music) The musical term indicating that the piece is played very loud.
- (music) The dynamic sign indicating that the piece should be played fortissimo. Abbreviation: ff.