Definition of "improvisational" []

• Having the nature of an improvisation. (adjective)

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• "Romanski is former director of the Second City Training Center and many of Hollywood Arts 'teachers have backgrounds in improvisational theater."
• "The first rule for producing a funny discussion, it seems, is to invite a couple of authors with backgrounds in improvisational comedy."
• "Milstein Hall shows off one extreme of a current concept popular with academic and research institutions and geared to encourage what the OMA architects call "improvisational interaction.""