Definitions for: Fortissimo

[n] (music) with great loudness
[adv] a direction in music; to be played very loudly
[adj] chiefly a direction or description in music

Webster (1913) Definition: For*tis"si*mo (? or ?), adv. [It., superl. of
forte, adv. See Forte, adv.] (Mus.)
Very loud; with the utmost strength or loudness.

Synonyms: forte, forte, loud, very loudly

Antonyms: pianissimo, very softly

See Also: intensity, loudness, volume