impromptu lecture

Examples (10)

• He delivered an impromptu lecture on the latest findings.
• The mayor was asked to give an impromptu lecture to the community.
• Despite the lack of preparation, her impromptu lecture was highly informative.
• Students enjoyed the professor's occasional impromptu lectures.
• An impromptu lecture emerged from the casual discussion.
• The guest speaker surprised everyone with an impromptu lecture.
• She had to prepare an impromptu lecture on a complex topic.
• His ability to give an impromptu lecture was impressive.
• We attended an impromptu lecture at the last minute.
• The conference included an unexpected impromptu lecture.