63%RatingSave Gender Masculine Usage Japanese Scripts 信, 延, etc.(Japanese Kanji) Pronounced Pron. NO-BOO [key·IPA] Meaning & History From Japanese 信 (nobu) meaning "trust", 延 (nobu) meaning "prolong, stretch", or other kanji and kanji combinations. It is sometimes a short form of longer names beginning with this sound. Rate·DetailsPeople think this name is classic informal common wholesome strong strange simple nerdy Categories short forms Entry updated July 2, 2017 ·