I. ˌpē-ə-ˈni-sə-ˌmō adverb or adjective
Etymology: Italian, from piano softly
Date: 1724
: very softly — used as a direction in music
II. noun
( plural pi·a·nis·si·mi -(ˌ)mē ; or -mos )
Date: 1830
: a passage played, sung, or spoken very softly
I. ˌpē-ə-ˈni-sə-ˌmō adverb or adjective
Etymology: Italian, from piano softly
Date: 1724
: very softly — used as a direction in music
II. noun
( plural pi·a·nis·si·mi -(ˌ)mē ; or -mos )
Date: 1830
: a passage played, sung, or spoken very softly
Merriam-Webster's Collegiate English vocabulary. Энциклопедический словарь английского языка Merriam Webster. 2003