Share this entry
impromptu Syllabification: im·promp·tu
Pronunciation: /imˈpräm(p)ˌt(y)o͞o/

Definition of impromptu in English:

adjective& adverb

Done without being planned, organized, or rehearsed: [as adjective]: an impromptu press conference [as adverb]: he spoke impromptu
More example sentences
  • I got a phone call announcing impromptu dinner plans, so I decided to join in on that.
  • Buoyed by the success of the day, we now plan to hold an impromptu New Year's eve bash here.
  • Sure enough, there are bedrooms and a kitchen and even a drum set up in the entrance for impromptu rehearsals.
unrehearsed, unprepared, unscripted, extempore, extemporized, extemporaneous, improvised, spontaneous, unplanned
informal off-the-cuff, offhand, spur-of-the-moment, ad-lib
extempore, spontaneously, extemporaneously, without preparation, without rehearsal
informal off the cuff, off the top of one's head, on the spur of the moment, ad lib

noun (plural impromptus)

Back to top  
A short piece of instrumental music, especially a solo, that is reminiscent of an improvisation.


Mid 17th century (as an adverb): from French, from Latin in promptu 'in readiness', from promptus (see prompt).

Definition of impromptu in:
Share this entry

What do you find interesting about this word or phrase?

Comments that don't adhere to our Community Guidelines may be moderated or removed.

Subscribe to remove ads and access premium resources

Related Words