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FSB

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FSB¹

noun FSBs

  1. abbreviation, initialism Initialism of front-side bus

proper noun

  1. abbreviation, initialism Initialism of Federation of Small Businesses
  2. abbreviation, initialism Initialism of Fire Support Base

FSB²

Where it comes from

From Russian ФСБ (FSB), initialism of Федеральная Служба Безопасности (Federalʹnaja Služba Bezopasnosti, “Federal Security Service”).

proper noun

  1. Russia, initialism The Federal Security Service of the Russian Federation. Possible victims included Roman Tsepov, Putin’s bodyguard in 1990s St Petersburg, who died after drinking tea in 2004 at a local FSB office.

Translations

Every language

name Russian FSB

中文俄聯邦安全局 /俄联邦安全局 Éliánbāng ānquán jú
РусскийФСБ FSB
עבריתפס״ב FSB

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Cite this
MLA

"FSB." Wiktionary, via Micwyn, micwyn.com/word/fsb. Accessed 6 Nov. 2026.

APA

FSB. (n.d.). In Wiktionary, via Micwyn. Retrieved November 6, 2026, from https://micwyn.com/word/fsb

Chicago

"FSB." Wiktionary, via Micwyn. Accessed November 6, 2026. https://micwyn.com/word/fsb.

BibTeX
@misc{fsb_2026,
  title = {FSB},
  howpublished = {Wiktionary, via Micwyn},
  year = {2026},
  url = {https://micwyn.com/word/fsb},
  urldate = {2026-11-06}
}