Gender Masculine Usage Japanese Scripts 信敏, etc.(Japanese Kanji) のぶとし(Japanese Hiragana) Pronounced Pron. /no̞.bɯᵝ.to̞.ɕi/ Meaning & History From Japanese 信 (nobu) meaning "trust" and 敏 (toshi) meaning "quick, clever, sharp". Other kanji combinations can also form this name.