忍 endure, bear, put up with, conceal, secrete, spy, sneak 7 strokes jōyō, taught in secondary school old JLPT 1 #1700 in newspapers Readings Onニン Kunしの.ぶ、しの.ばせる In Chinese 忍 Words written with it 忍耐 にんたい endurance 忍ぶ しのぶ to conceal oneself 忍者 にんじゃ ninja 残忍 ざんにん brutal 忍び込む しのびこむ to creep in 忍び寄る しのびよる to creep up to 堪忍袋 かんにんぶくろ one's store of patience 忍び しのび stealth