FSB
Britishabbreviation
Etymology
Origin of FSB
C20: Russian Federalnaya sluzhba bezopasnosti
Example Sentences
Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.
The diplomat was ordered to leave Russia within two weeks, the FSB said.
From Barron's • Mar. 30, 2026
The subject of an Interpol Red Notice, he is alleged to be an intelligence asset for the FSB, Russia's secretive security service.
From BBC • Jan. 21, 2026
Russia's FSB security service named the man it was expelling as Gareth Samuel Davies -- listed on Moscow's official database of accredited diplomats as the embassy's second secretary.
From Barron's • Jan. 15, 2026
In 2019, after getting into a business dispute with Kremlin-connected investors, Calvey found himself arrested and jailed by the FSB, Russia’s internal intelligence agency.
From The Wall Street Journal • Dec. 26, 2025
The FSB has established itself both within Russian power structures and in business.
From Russian Roulette: Russia's Economy in Putin's Era by Vaknin, Samuel
Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.
