Origin of fortissimoIt, superlative of forte, forte
pl. -·mos· or -·mi·
a fortissimo passage
& adj.Abbr. ff
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 forte2.
- (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.