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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.
Synonyms
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)

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

Origin

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

Words that rhyme with impromptu

avenue • residue • shoyu

Definition of impromptu in:

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