Fortississimo

adv, noun

adv, noun ·Rare ·Advanced level

Definitions

Noun
  1. 1
    The dynamic sign indicating that the piece should be played more loudly than fortissimo.
Adverb
  1. 1
    Indicating that the piece is to be played more loudly than fortissimo.

Synonyms

All synonyms
blastissimo

Etymology

Pseudo-Italianism, derived from fortissimo with an additional -iss-, instead of the expected Italian fortissimissimo.

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Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.