Sentence examples for a captive audience from inspiring English sources

The phrase "a captive audience" is correct and usable in written English.
It is typically used to describe a group of people who are unable to leave or escape, often in a context where they are being presented with information or entertainment.
Example: "The speaker was thrilled to have a captive audience at the conference, as everyone was eager to hear about the new developments in the industry."
Alternatives: "an engaged audience" or "a trapped audience".