pianissimo pianism • pianist · · · Info · Definitions · Synonyms · Antonyms · Characters · · pianissimo · · Text Latin · · Script 10 · · Length Definitions · · · (noun) (music) low loudness. Synonyms: piano. · · Noun Definition 1 (adj) chiefly a direction or description in music; very soft. · · Adjective Definition 1 (adv) a direction in music; to be played very softly. Synonyms: very softly. · · Adverb Definition 1 Synonyms · · · piano · · Synonym 1 very softly · · Synonym 2 Antonyms · · · fortissimo · · Antonym 0 very loudly · · Antonym 1 Characters · · a latin small letter a U+0061 i latin small letter i U+0069 m latin small letter m U+006D n latin small letter n U+006E o latin small letter o U+006F p latin small letter p U+0070 s latin small letter s U+0073