Adjective fortissimo has 1 sense
  1. fortissimo - chiefly a direction or description in music
    Antonyms:
    piano, soft (indirect, via forte)
,Adverbial fortissimo has 1 sense
  1. fortissimo, very loudly - a direction in music; to be played very loudly
    Antonyms: pianissimo, very softly
    Derived from adjective fortissimo1
,Noun fortissimo has 1 sense
  1. forte, fortissimo - (music) with great loudness
    --1 is a kind of volume, loudness, intensity
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