Category A
Britishadjective
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(of a prisoner) regarded as highly dangerous and therefore requiring constant observation and maximum security
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(of a prison or prison unit) designed for such prisoners
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.
But he said the user who uploaded it had then used a different AI tool, not made by xAI, to create a Category A image - the most serious category.
From BBC • Jan. 7, 2026
Two were of Category A, the most serious.
From BBC • Feb. 16, 2024
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
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
Mr Mitchell estimated that it would cost £20m to bring the Category A Listed building back to life as a museum.
From BBC • Mar. 22, 2023
Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.