1. relating to or characterized by improvisation; created or performed without advance preparation or planning
Usage: commonly used in music, theater, and comedy contexts

Examples

• The jazz band's improvisational style delighted the audience with unexpected melodies.
• She gave an improvisational speech after the microphone malfunctioned and she lost her notes.
• Improvisational theater requires actors to think quickly and respond to unexpected situations.
• The comedian's improvisational humor kept the crowd laughing throughout the show.
• His improvisational approach to cooking meant he rarely followed recipes exactly.
• The dance performance featured both choreographed sections and improvisational movement.