kgb kg • Kha · · · Info · Definitions · Characters · · kgb · · Text Latin · · Script 3 · · Length 1 · · Syllables Definitions · · · (noun) formerly the predominant security police organization of Soviet Russia. Synonyms: Committee for State Security, KGB, Soviet KGB. · · Noun Definition 1 Characters · · b latin small letter b U+0062 g latin small letter g U+0067 k latin small letter k U+006B