noun
- The internal counterintelligence agency of the Russian Federation and successor to the Soviet KGB; formerly led by Vladimir Putin.
- synonyms: Federal Security Bureau, Federal Security Service
- A federally chartered savings bank.
- synonyms: federal savings bank
WordNet 3.0 © 2006 by Princeton University
| APA | WordNet. (2010). FSB. Retrieved September 28, 2026, from http://smartdefine.org/fsb/definitions/1277550 |
| Chicago | WordNet. 2010. "FSB" http://smartdefine.org/fsb/definitions/1277550 (accessed September 28, 2026). |
| Harvard | WordNet 2010, FSB, Smart Define, viewed 28 September, 2026, <http://smartdefine.org/fsb/definitions/1277550>. |
| MLA | WordNet. "FSB" 23 October 2010. Web. 28 September 2026. <http://smartdefine.org/fsb/definitions/1277550> |