closed-cir·​cuit ˈklōz(d)-ˈsər-kət How to pronounce closed-circuit (audio)
: used in, shown on, or being a television installation in which the signal is transmitted by wire to a limited number of receivers

Examples of closed-circuit in a Sentence

Recent Examples on the Web The center will not be open to the public, although people can walk into the front room to view educational materials and watch admitted animals on a closed-circuit television, the group said. Bailey Allen,, 24 Aug. 2023 Detectives used a combination of closed-circuit television footage and location data from a GPS monitor that Jackson was wearing as part of an unrelated case in order to place him at the scene as a shooter, according to court documents. Lee O. Sanderlin, Baltimore Sun, 18 Aug. 2023 Jahnke’s sheep are additionally penned with electric fencing, and a closed-circuit television camera helps with monitoring for signs of wolves. Kate Brady, Washington Post, 13 Aug. 2023 Hypothetically, emergency dispatchers could transmit closed-circuit or drone footage over a private 5G broadcast to emergency responders over a TV broadcast tower, even when the local cellular network is down. IEEE Spectrum, 10 Aug. 2023 Anticipating a sellout crowd at T-Mobile Arena, where the bout will take place, fight organizers will simulcast the bout on closed-circuit television at the MGM Grand Garden Arena, located just across the Las Vegas Strip. Morgan Campbell, New York Times, 28 July 2023 Prosecutors also provided about nine months of closed-circuit television footage. Bart Jansen, USA TODAY, 13 July 2023 Two private security guards watched the heist unfold on a closed-circuit video feed, but could do little but call the police because strict rules prohibited the unarmed men from confronting the thieves themselves. Christopher F. Schuetze, New York Times, 16 May 2023 And in May, Justice Alito made his first public appearance after the leak of his draft opinion — via closed-circuit TV, because of security concerns — at the Antonin Scalia Law School. Jo Becker, New York Times, 30 Apr. 2023 See More

These examples are programmatically compiled from various online sources to illustrate current usage of the word 'closed-circuit.' Any opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback about these examples.

Word History

First Known Use

1949, in the meaning defined above

Time Traveler
The first known use of closed-circuit was in 1949

Dictionary Entries Near closed-circuit

Cite this Entry

“Closed-circuit.” Dictionary, Merriam-Webster, Accessed 2 Oct. 2023.

Kids Definition


: a television installation in which the signal is sent by wire to a limited number of receivers
Last Updated: - Updated example sentences
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