Meaning of the word improvisation in English

What does improvisation mean in English? Explore the meaning, pronunciation, and specific usage of this word with Lingoland.

improvisation

US /ɪmˌprɑː.vəˈzeɪ.ʃən/
UK /ˌɪm.prə.vaɪˈzeɪ.ʃən/

Noun

the act of improvising; something improvised

Example:
The jazz band's performance was full of brilliant improvisation.
Due to the sudden change in plans, a lot of improvisation was needed.