/ Dictionary / Index G GUGB: Meaning and Definition of Find definitions for: GUGB Pronunciation: [key] (in the Soviet Union) the Chief Directorate for State Security, the government's secret police organization (1934–1941) functioning as part of the NKVD. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. guffaw Guggenheim Related Content Daily Word Quiz: endear Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language