unscripted

adj

1. (not-comparable)Not scripted; without a script.

   “The audience was then invited to put its unscripted questions to the panel of officers on the platform - and a remarkably varied range of enquiries they proved to be.”

   “A decade after introducing the idea that unscripted shows could transform prime time, “Who Wants to Be a Millionaire” returns to ABC Sunday.”

   “"Secrets of the London Underground is completely unscripted. It is just me and Tim going to a location, and I have to contextualise where we are.”

2. (broadly, not-comparable)Unplanned, unexpected, spontaneous.

   “Hoping to avoid any unscripted episodes during President Clinton's visit to the ancient city of Xian today, Chinese authorities yesterday detained two of the city's leading dissidents.”