- improper fraction,
- improper integral,
Origin of impromptu
Examples from the Web for impromptu
One guy hams it up as Juliet, blonde wig and all, as a crowd gathers, delighted by the impromptu performance.
The funk legend treats unsuspecting concertgoers to an impromptu show.
On Tuesday, Logan pointed to a stained spot of concrete near two dumpsters where he gave Poindexter impromptu last rites.
Johnson gave an impromptu press conference during Hamer's speech, interrupting her televised testimony.Remembering Civil Rights Heroine Fannie Lou Hamer: 'I'm Sick and Tired of Being Sick and Tired'|Lottie L. Joiner|September 2, 2014|DAILY BEAST
It certainly smelled like something other than natural good vibes was fueling the impromptu dancing in the aisles.Bob Weir on Drugged-Out Deadheads and Living in Jerry Garcia’s Shadow|Emily Shire|April 25, 2014|DAILY BEAST
He made his way slowly to the impromptu shed which served for a garage.The Kingdom of the Blind|E. Phillips Oppenheim
Mrs Cameron hurriedly lifted the loquacious imp from its impromptu perch.Love's Usuries|Louis Creswicke
Without such assistance the D major section of the impromptu is insignificant.Frederick Chopin as a Man and Musician|Frederick Niecks
Others sometimes came to dinner with their parents, and an impromptu dance was often got up.Bluebell|Mrs. George Croft Huddleston
Jerrys imitation of a phonograph rendering a popular song of her own impromptu composition ended suddenly.Marjorie Dean College Freshman|Pauline Lester
Word Origin for impromptu
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).