Save Gender Masculine Usage Japanese Scripts 晶直, 明直, etc.(Japanese Kanji) Pronounced Pron. A-KEE-NA-O [key] Other Forms FormsNaoaki Meaning & History From Japanese 晶 (aki) meaning "clear, crystal", 明 (aki) meaning "bright, light, clear" or 秋 (aki) meaning "autumn" combined with 直 (nao) meaning "straight, direct". Other kanji combinations are possible.