veloce

veloce \ve-LAW-che\, adjective:

Played at a fast tempo.

And when I tired of reading I would swim in my pool, parting the azure blue water like a veloce human knife.
-- Sergio De La Pava, A Naked Singularity

Ah, I mention his name and your eyes, they light up veloce come un razzo—fast as a rocket.
-- Jacquie D'Alessandro, Summer at Seaside Cove

Veloce stems from the Latin word vēlōcem which was the accusative form of vēlōx meaning "quick."