Is “Prestissimo” a Scrabble word?
Yes
PRESTISSIMO
Valid in at least one Scrabble dictionary
Valid in these dictionaries
SOWPODS / CSW
Scrabble UK & International
TWL / NWL
Scrabble North America
Large English Dictionary
General English word list
Meaning of Prestissimo
/pɹɛˈstɪsɪməʊ/
adjective
1.Extremely fast, the fastest possible tempo.
adverb
1.Very quickly.