supermax

/ ˈsuːpəˌmæks /

noun

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

   a supermax jail

Example Sentences

Delbos spent months in a Brazilian supermax prison awaiting trial, but he too said the drugs were later planted without his knowledge.

From BBC

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

On Wednesday, Brown was left off the All-NBA teams; last year’s selection to the second team qualified him for a five-year supermax extension that made him the highest-paid player in the NBA.

From Seattle Times

And for Doncic and Gilgeous-Alexander, the All-NBA nods mean they are poised for supermax extensions that can be signed in 2025, both of which would set records.

From Seattle Times

Waldref said some of the leaders of La Nuestra Familia were serving time in the federal penitentiary in Florence, Colo., which has been dubbed the “Supermax” for its level of custody.

From Seattle Times