This week, an impromptu parade gamboled through the town, which is home to less than 9,000 people.
In place of the angry demonstrators were impromptu group discussions.
“Tarek, being a doctor, had to help,” he added, noting that Greyson assisted him as an impromptu nurse.
1660s (adv.), 1764 (adj.), from French impromptu (1650s), from Latin in promptu "in readiness," from assimilated form of in- "into, in, on, upon" (see in- (2)) + promptu, ablative of promptus "readiness," from past participle of promere "to bring out," from pro- "before, forward, for" + emere "to obtain" (see exempt).