1. of, relating to, or characteristic of improvisation; created or performed without advance preparation
Usage: formal; often used in music, theater, and art contexts

Examples

• The jazz musician's improvisatorial style captivated the audience with its spontaneity.
• Her improvisatorial approach to teaching allowed her to adapt lessons to students' needs in real time.
• The theater company embraced improvisatorial techniques during rehearsals to build ensemble chemistry.
• His improvisatorial speech, though unscripted, was eloquent and moving.
• The improvisatorial nature of the performance made each show unique and unpredictable.