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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.

That’s more than the supermax salary across the entire league last season, $249,244.

From The Wall Street Journal • Mar. 20, 2026

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

From BBC • Feb. 16, 2026

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 • Nov. 28, 2025

Colón, who today is Guzmán’s primary lawyer, is one of the few people permitted to visit him in the Colorado supermax prison where he is serving a life sentence.

From Los Angeles Times • Jun. 20, 2024

And the odd thing is, the idea for a supermax is not new.

From "Newjack: Guarding Sing Sing" by Ted Conover

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