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MI5

[ em-ahy-fahyv ]
/ ˈɛmˌaɪˈfaɪv /
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noun (in Great Britain)

the government's security and counterespionage service that works in liaison with Scotland Yard's Special Branch.

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“Was” is used for the indicative past tense of “to be,” and “were” is only used for the subjunctive past tense.

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Origin of MI5

M(ilitary)I(ntelligence, Section) 5

Words nearby MI5

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2021

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British Dictionary definitions for MI5

MI5

abbreviation for

Military Intelligence, section five; a former official and present-day popular name for the counterintelligence agency of the British Government
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
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