pianissimo

nouns

(music) low loudness
pianissimo, piano

adjectives

chiefly a direction or description in music; very soft
pianissimo
is similar to
used chiefly as a direction or description in music
"the piano passages in the composition"
piano, soft

adverbs

a direction in music; to be played very softly
pianissimo, very softly
antonym
fortissimo