Gender Masculine Usage Japanese Scripts 真吾, 慎吾, etc.(Japanese Kanji) しんご(Japanese Hiragana) Pronounced Pron. /ɕiŋ.ɡo̞/ Meaning & History From Japanese 真 (shin) meaning "real, genuine" or 慎 (shin) meaning "prudent, careful" combined with 吾 (go) meaning "I, me". Other combinations of kanji can form this name as well.