MI5 Meaning in the Cambridge English Dictionary

Meaning of “MI5” in the English Dictionary

"MI5" in British English

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MI5noun [+ sing/pl verb]

uk   us   /ˌem.aɪˈfaɪv/
the ​official British ​organization that is ​responsible for ​protectingmilitary and ​politicalsecrets
(Definition of MI5 from the Cambridge Advanced Learner’s Dictionary & Thesaurus © Cambridge University Press)
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“MI5” in British English

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