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Category A

British  

adjective

  1. (of a prisoner) regarded as highly dangerous and therefore requiring constant observation and maximum security

  2. (of a prison or prison unit) designed for such prisoners

"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

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See Examples For:

In 2008 Huntley was moved to HMP Frankland, a Category A high security men's prison.

From BBC Feb. 26, 2026

Belmarsh is a Category A jail in south-east London housing some of the UK's most dangerous prisoners.

From BBC Jan. 2, 2025

Two were of Category A, the most serious.

From BBC Feb. 16, 2024

China puts infectious diseases into three classes, with the top level Category A giving authorities the power to quarantine patients and their close contacts.

From Reuters Sep. 15, 2023

China downgraded the management of COVID-19 to Category B from Category A at the end of 2022 after almost three years of strict restrictions that included locking down entire cities.

From Reuters Sep. 15, 2023

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