MI5noun [ + sing/pl verb ]
uk/ˌem.aɪˈfaɪv/us/ˌem.aɪˈfaɪv/the official British organization that is responsible for protecting military and political secrets
Thesaurus: synonyms and related words
International relations: spying and espionage
- agent
- agent provocateur
- counter-espionage
- counterintelligence
- deep state
- intelligence
- MI6
- on the inside idiom
- operative
- phone tapping
- quisling
- scout
- spook
- spy
- spy on sb/sth
- tail
- tap
- the CIA
- wired up
- wiretap
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You can also find related words, phrases, and synonyms in the topics:
UK politics: government departments & organizations