0 (made or done) without preparation beforehand -- tanpa persediaan
Increase in pupil numbers in the 1970s had prompted an impromptu expansion into temporary huts, and eventually a competition was held to extend the school properly in 1987.
Generously designed to accommodate impromptu gatherings, the stair is at once a dynamically composed and assembled architectural element as well as a place of repose and reorientation.
Some dancers made a junket of going around to viejotecas on weekends, performing impromptu numbers for club-goers in return for a few pesos or a round of drinks.
In these looser experimental spaces (where talking was encouraged), bands were formed, concerts were planned, and sometimes, impromptu performances were enacted.
The measure of the skill with language is revealed in the impromptu give-and-take of the unrehearsed press conference.
Some of the presentations were written out and read; others were delivered extemporaneously, and a few were identified as unprepared or impromptu.
Cards, refreshments, music, or even an impromptu hop might be included.
In impromptu speaking, proximity agreement results from the halo effect of whatever has gone just before, and does not seem to provide a grammatical distraction.
