noun
- The government agency in the United Kingdom that is responsible for internal security and counterintelligence on British territory.
- synonyms: MI, Military Intelligence Section 5
WordNet 3.0 © 2006 by Princeton University
| APA | WordNet. (2010). security service. Retrieved September 20, 2026, from http://smartdefine.org/security_service/definitions/1223564 |
| Chicago | WordNet. 2010. "security service" http://smartdefine.org/security_service/definitions/1223564 (accessed September 20, 2026). |
| Harvard | WordNet 2010, security service, Smart Define, viewed 20 September, 2026, <http://smartdefine.org/security_service/definitions/1223564>. |
| MLA | WordNet. "security service" 23 October 2010. Web. 20 September 2026. <http://smartdefine.org/security_service/definitions/1223564> |