Tom Skerritt: The extras were basically this improvisational group that he found in San Francisco.
Even the chefs—the younger, more intriguing ones, at least—seemed to be unschooled, unofficial, improvisational.
A lot of the scenes seem to have an improvisational quality.
There is a certain hypnotic rhythm, almost an improvisational quality, to his sentences.
But at the same time, I miss some of the improvisational energy.
mid-15c., "unforeseen happening;" 1786 as "act of improvising musically," from French improvisation, from improviser "compose or say extemporaneously," from Italian improvvisare, from improvviso "unforeseen, unprepared," from Latin improvisus "not foreseen, unforeseen, unexpected," from assimilated form of in- "not, opposite of" (see in- (1)) + provisus "foreseen," also "provided," past participle of providere "foresee, provide" (see provide).