Meanings
FSB1
- abbreviationinitialismInitialism of Federation of Small Businesses.
- abbreviationinitialismInitialism of Fire Support Base
FSB2
- RussiainitialismespionageThe 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.
2020 August 20, Luke Harding, “Alexei Navalny and the long history of poisoned Kremlin critics”, in The Guardian1 more example
Krasikov, a former high-ranking FSB colonel serving a life sentence in a German prison, was on the top of Moscow’s list of Russian prisoners it wanted to exchange.
2024 August 1, Ivana Kottasová and Anna Chernova, “Who was freed in major prisoner swap between Russia and the West?”, in CNN
Synonyms & antonyms
nounthe internal counterintelligence agency of the Russian Federation and successor to the Soviet KGB; formerly led by Vladimir Putin
Synonym sets from Open English WordNet, CC BY 4.0.
Origin
- RussianФСБ
- EnglishFSB
From Russian ФСБ (FSB), initialism of Федеральная Служба Безопасности (Federalʹnaja Služba Bezopasnosti, “Federal Security Service”).
More words from Russian
Full word history & related roots →Translations
Chinese Mandarin 俄聯邦安全局 /俄联邦安全局
- 俄聯邦安全局 /俄联邦安全局 (Éliánbāng ānquán jú)Russian FSB
Hebrew פס״ב
- פס״ב (FSB)Russian FSB
Polish FSB
- FSBRussian FSB
Russian ФСБ
- ФСБ (FSB)Russian FSB
Ukrainian ФСБ
- ФСБ (FSB)Russian FSB
Cite this entry
FSB. (n.d.). In WatkinsX Dictionary. Retrieved November 2, 2026, from https://dictionary.watkinsx.com/word/FSB
“FSB.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/FSB. Accessed November 2, 2026.
WatkinsX Dictionary, s.v. “FSB,” accessed November 2, 2026, https://dictionary.watkinsx.com/word/FSB.
Source: FSB on Wiktionary, CC BY-SA 4.0.