1. not practiced or prepared in advance; spontaneous

Examples

• Her unrehearsed speech was surprisingly moving and authentic.
• The actor’s unrehearsed reaction to the surprise guest delighted the audience.
• The interview felt natural because the questions were unrehearsed.
• His unrehearsed comments revealed his true feelings about the situation.
• The band’s unrehearsed jam session produced some of their best music.
• The unrehearsed moment between the children was captured perfectly on camera.