Related Clues:

• Compiler is ready — solver reportedly unprepared
• A German newspaper retracted spontaneous comment
• Say lines that are not in the script
• Trump mop restyled, with the setter using no preparation
• Off-the-cuff claim to be on time at university
• Verbal slip cover
• I'm ready: solver said to be unprepared!
• Freely acknowledge at the outset offer of money will secure left back
• Perform at the Improv, say
• Jack Nicholson's classic line 'You can't handle the truth,' for one
• Off-the-cuff comment in sad libel
• Make up dialogue
• Improvised remark
• Make up lines as you go
• Improvisation on the set