MI6

English Etymology en Military Intelligence, Section Six. Proper noun The overseas intelligence agency of the United Kingdom, whose primary function is to spy on foreign governments and terror groups located abroad. en Secret Intelligence Service<q:formally> SIS<q:formally> Six 6 en Nick Paton Walsh and Katharina Krebs MI6 chief makes open plea to Russians to spy for UK w:CNN https://www.cnn.com/2023/07/19/europe/mi6-russia-spy-plea-uk-intl 2023-07-19 Zakharova also made light of Moore’s claims that Russia will not be able to regain momentum in the war after the MI6 chief said he was”optimistic” Ukraine would prevail against the Russian invasion. https://web.archive.org/web/20250927112912/https://www.cnn.com/2023/07/19/europe/mi6-russia-spy-plea-uk-intl 27 September 2025 Related terms en MI5 See also en GCHQ en SAS en SBS en Espionage