Definition of impromptu in English:

impromptu

Line breaks: im|promptu
Pronunciation: /ɪmˈprɒm(p)tjuː
 
/

adjective& adverb

Done without being planned 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

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).

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