MI6

English - English

Definition of MI6 in English English dictionary

The overseas intelligence agency of the United Kingdom, whose primary function is to spy on foreign governments and terror groups located abroad. Formally called the Secret Intelligence Service (SIS)

a secret British government organization that sends people to foreign countries to try and find out secret political and military information

Synonyms

six, 6, secret intelligence service, sis

Etymology

() Originally an abbreviation for Military Intelligence, division six.