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maximum-security

American  
[mak-suh-muhm-si-kyoor-i-tee] / ˈmæk sə məm sɪˈkyʊər ɪ ti /

adjective

  1. designed for or housing prisoners regarded as being very dangerous to society.


Etymology

Origin of maximum-security

First recorded in 1965–70

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

He had been placed in Atascadero State Hospital, a maximum-security prison for mentally ill convicts located between Los Angeles and San Francisco.

From Los Angeles Times • Mar. 2, 2026

Bureau of Prisons records show he is housed at a maximum-security federal prison in Florence, Colo., know as the “Alcatraz of The Rockies,” that also houses the “El Chapo” and other high-profile criminals.

From Los Angeles Times • Feb. 22, 2026

The decision to pull the segment on an El Salvador maximum-security prison where the Trump administration sent hundreds of Venezuelan migrants drew sharp criticism from one of the network’s most high profile correspondents, Sharyn Alfonsi.

From The Wall Street Journal • Dec. 22, 2025

In one case, 238 Venezuelans were deported by the US to a maximum-security prison in El Salvador.

From BBC • Oct. 30, 2025

She had transferred up to Bedford Hills, the maximum-security prison for women in Westchester County.

From "Newjack: Guarding Sing Sing" by Ted Conover