captive

noun

• a person who has been taken prisoner or an animal that has been confined: the policeman put a pair of handcuffs on the captive

adjective

• 1imprisoned or confined:the farm was used to hold prisoners of war captive a captive animal
• [attributive] having no freedom to choose alternatives or to avoid something:advertisements at the cinema reach a captive audience

• 2(of a facility or service) controlled by, and typically for the sole use of, an organization:a captive power plant