From Longman Dictionary of Contemporary Englishcaptive audiencecaptive audienceGROUP OF PEOPLEpeople who listen or watch someone or something because they have to, not because they are interested → captive
Examples from the Corpus
captive audience• And so when I talk to a young person I have a captive audience.• But beyond the hedge, Mundin had run into a captive audience.• He was a real showman, and however he was feeling, he always rose to the bait of a captive audience!• Verbal, as opposed to written, reports give you more freedom to exploit your captive audience.• His family were a captive audience, especially at meal times, which were central to their day.• It can be said he was addressing a captive audience ... of stooges.• He really loved the hairdressing profession as it gave him a captive audience to bounce his latest jokes off.• Father Tim saw at once that the truest meaning of the term captive audience was being demonstrated right before his eyes. 