fortissimo

Borrowed from Italian fortissimo.

fortissimo (not comparable)

1. (music) Indicating that the piece is played very loud.
   • 2017 September 7, Ferdinand Mount, “Umbrageousness”, in London Review of Books‎:

     He claims he was doing no more than repeating the standard nationalist account. So he was, but he was also repeating that passionate liberal critique which had resounded, often fortissimo, in British debate when Indian nationalism was still a half-formed dream.

fortissimo (plural fortissimos or fortissimi)

1. (music) The dynamic sign indicating that the piece should be played fortissimo. Abbreviation: ff.

From Italian

• IPA^(key): /fɔʁ.ti.si.mo/

fortissimo

1. (music) fortissimo

• “fortissimo” in le Trésor de la langue française informatisé (The Digitized Treasury of the French Language).

forte +‎ -issimo

• IPA^(key): /forˈtis.si.mo/

fortissimo m (feminine singular fortissima, masculine plural fortissimi, feminine plural fortissime)

1. superlative degree of forte
2. (music) Very loud
3. Very strong, bright, tough or severe

fortissimo

1. superlative degree of forte

• pianissimo

• fortissimo in Treccani.it – Vocabolario Treccani on line, Istituto dell'Enciclopedia Italiana

fortissimō

1. dative masculine singular of fortissimus
2. dative neuter singular of fortissimus
3. ablative masculine singular of fortissimus
4. ablative neuter singular of fortissimus