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supermax

British  
/ ˈsuːpəˌmæks /

noun

  1. having or relating to the very highest levels of security

    a supermax jail

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

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 said Akram was doing "as well as can be expected" while in custody in Goulburn supermax prison.

From BBC

"Everyone knows it's supermax … very onerous conditions," Archbold told journalists.

From BBC

According to Ben Volin of the Boston Globe, that’s a reference to a special set of cells at a Florence, Colo., Supermax federal prison reserved for prisoners who need the tightest security.

From Los Angeles Times

The 68-year-old "El Chapo" is serving a life sentence at a supermax federal prison in Colorado following his 2016 arrest and 2019 conviction.

From Barron's

Three prison directors' unions on Wednesday lashed out at the tough-talking right-wing minister, who is pushing through a plan to lock up the most dangerous drug traffickers in supermax prisons.

From Barron's