noun
- The government agency in the United Kingdom that is responsible for internal security and counterintelligence overseas.
- synonyms: MI, Military Intelligence Section 6
WordNet 3.0 © 2006 by Princeton University
| APA | WordNet. (2010). secret intelligence service. Retrieved September 20, 2026, from http://smartdefine.org/secret_intelligence_service/definitions/1223562 |
| Chicago | WordNet. 2010. "secret intelligence service" http://smartdefine.org/secret_intelligence_service/definitions/1223562 (accessed September 20, 2026). |
| Harvard | WordNet 2010, secret intelligence service, Smart Define, viewed 20 September, 2026, <http://smartdefine.org/secret_intelligence_service/definitions/1223562>. |
| MLA | WordNet. "secret intelligence service" 23 October 2010. Web. 20 September 2026. <http://smartdefine.org/secret_intelligence_service/definitions/1223562> |