improvisational

/ɪmˌprɑvəˈzeɪʃənəl/
adjective
  1. Relating to or characterized by improvisation; done or made spontaneously without preparation.
    • The theater group specializes in improvisational comedy shows.
    • She has a natural talent for improvisational singing.
    • The team used an improvisational approach to solve the unexpected problem.
Antonyms
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