fortissimo Meaning, Definition & Usage

  1. noun (music) loud
    forte.
  2. adjective satellite chiefly a direction or description in music
  3. adverb a direction in music; to be played very loudly
    very loudly.

WordNet

For*tis"si*mo adverb
Etymology
It., superl. of forte, adv. See Forte, adv.
Definitions
  1. (Mus.) Very loud; with the utmost strength or loudness.

Webster 1913