done without being planned or rehearsed; improvised, a short piece of instrumental music, especially a solo, that is reminiscent of an improvisation

Formal and Informal Expressions of impromptu

In different contexts, you can replace 'impromptu' with suitable alternatives. In a more formal setting, 'unplanned, unrehearsed' is apt. In informal speech or writing, 'off-the-cuff, spur-of-the-moment' is a commonplace synonym.

impromptu: Explore its Definition & Usage

impromptu Definition

1done without being planned or rehearsed; improvised
2a short piece of instrumental music, especially a solo, that is reminiscent of an improvisation

Using impromptu: Examples

Take a moment to familiarize yourself with how "impromptu" can be used in various situations through the following examples!

Example
He gave an impromptu speech at the wedding reception.
Example
The band played an impromptu jam session in the park.
Example
She made an impromptu decision to take a road trip.

impromptu Synonyms and Antonyms

Synonyms for impromptu

Antonyms for impromptu

Phrases with impromptu

impromptu dance party
a spontaneous gathering where people dance to music
Example
We had an impromptu dance party in the living room.
impromptu performance
an unplanned or unrehearsed musical or theatrical presentation
Example
The actor gave an impromptu performance of his favorite monologue.
impromptu speech
a speech given without preparation or rehearsal
Example
The politician delivered an impromptu speech to the crowd.

Origins of impromptu

from French 'in promptu', meaning 'in readiness'

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Summary: impromptu in Brief

The term 'impromptu' [ɪmˈprɒmptjuː] refers to something that is done without being planned or rehearsed, often improvised. It can be used as an adjective or a noun, and synonyms include 'spontaneous' and 'offhand.' Examples of impromptu actions include speeches, performances, and decisions.