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GUGB

or G.U.G.B.

  1. (in the Soviet Union) the Chief Directorate for State Security, the government's secret police organization (1934–1941) functioning as part of the NKVD.
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Origin of GUGB

< Russian, for Glávnoe upravlénie gosudárstvennoĭ bezopásnosti
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018