g-man gm • Gmelina · · · Info · Definitions · Characters · · g-man · · Text Common · · Latin · · Scripts 5 · · Length 1 · · Syllables Definitions · · · (noun) a special law-enforcement agent of the Federal Bureau of Investigation. Synonyms: G-man, FBI agent, government man. · · Noun Definition 1 Characters · · - hyphen-minus U+002D a latin small letter a U+0061 g latin small letter g U+0067 m latin small letter m U+006D n latin small letter n U+006E