忍び しのび stealth #29,458 Also a form of 忍ぶ しのぶ stem to conceal oneself Meanings noun stealth abbreviation travelling incognito (traveling) abbreviation ninjutsu abbreviation ninja sneak theft; sneak thief tolerance Its kanji 忍 ニン · しの.ぶ、しの.ばせる endure, bear, put up with, conceal, secrete, spy, sneak