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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.

The White House, for example, is seeking $152 million from Congress to turn Alcatraz back into a maximum-security prison, an idea the president has talked about for several years.

From Los Angeles Times • Apr. 3, 2026

At the Stateville Correctional Center—a maximum-security prison in Illinois, which Gov. JB Pritzker ordered closed last year for unrelated reasons—a group of professors offered courses for inmates, funded by the Andrew W. Mellon Foundation.

From The Wall Street Journal • Mar. 4, 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

On Monday, Weiss was accused by a CBS News staff member of pulling a planned segment on an El Salvador maximum-security prison where the Trump administration sent hundreds of Venezuelan migrants.

From Barron's • Dec. 22, 2025

Everyone lives in a plush, fancy maximum-security prison.

From "Born a Crime: Stories from a South African Childhood" by Trevor Noah