Related Clues:

• Off-the-cuff
• Go off script
• Speak off the cuff
• Improvised
• Not scripted
• Offhand
• Spontaneously
• Invent
• Sans script
• Make up lines
• Off-the-script comment
• Seat-of-the-pants performance
• Wing it, in a way
• Impromptu
• Go off the script