IPA: /ˌɪmprəvaɪˈzeɪʃənl/
KK: /ɪmˌprɑːvɪˈzeɪʃənl/
Relating to or characterized by the act of creating or performing something spontaneously without preparation.
The actor's improvisational skills made the performance feel fresh and exciting.
Improvisational → It is formed from "improvisare" (meaning to provide or compose on the spot) and the suffix "-tion" (indicating the action or process). The word "improvisational" refers to the act or process of creating or performing spontaneously without preparation.
Think of 'providing' something 'on the spot' — that's what improvisational means, as it involves creating without prior planning.