noun

improvisation

improvisation, ad-lib

Jazz music often includes improvisation.

Jazz music often includes improvisation.

Her speech was a brilliant improvisation.

Her speech was a brilliant improvisation.

an improvisation ((on sth.)) a performance created spontaneously The pianist gave an improvisation on a classic theme.

Synonyms: ad-lib, extemporization

From Latin im- ('not') + pro- ('before') + visus ('to see') + -ation (noun suffix). Literally, 'something not seen beforehand'.

Break it down: 'im-pro-vision' means 'not having a prior vision' or plan.

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