high-security adjective - Definition, pictures, pronunciation and usage notes | Oxford Advanced American Dictionary at OxfordLearnersDictionaries.com

Definition of high-security adjective from the Oxford Advanced American Dictionary

high-security

adjective

[only before noun]

1(of buildings and places) very carefully locked and guarded a high-security prison

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2(of prisoners) kept in a prison that is very carefully locked and guarded

See high-security in the Oxford Advanced Learner's Dictionary

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