1. The government agency in the United Kingdom that is responsible for internal security and counterintelligence overseas
   - Secret Intelligence Service [Brit], MI 6 [Brit]

Type of: international intelligence agency

• obituary
• object
• object ball
• object code
• object glass
• object language
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• object lesson
• object of a preposition
• object of the verb
• object program
• object recognition
• object-oriented database
• object-oriented database management system
• object-oriented programing
• object-oriented programing language
• object-oriented programming
• object-oriented programming language
• objectification
• objectify
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• objective