from The American Heritage® Dictionary of the English Language, 4th Edition

  • n. The intelligence and internal security agency of the former Soviet Union.

from Wiktionary, Creative Commons Attribution/Share-Alike License

  • proper n. the former Soviet State Security Committee.
  • Known good board.

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

  • n. formerly the predominant security police organization of Soviet Russia


Russian, from K(omitet) G(osudarstvennoĭ) B(ezopasnosti) : komitet, committee + gosudarstvennoĭ : genitive of gosudarstvennyĭ, of the state + bezopasnosti, genitive of bezopasnost', security.
(American Heritage® Dictionary of the English Language, Fourth Edition)
From Russian КГБ, through phonetic spelling of Комитет государственной безопасности (Komitét gosudárstvennoj bezopásnosti, "State Security Committee") and acronymization. (Wiktionary)


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