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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

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

The story focused on a maximum-security prison in El Salvador where the Trump administration sent hundreds of Venezuelan migrants, including alleged gang members.

From The Wall Street Journal • Dec. 23, 2025

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