endure, bear, put up with, conceal, secrete, spy, sneak

Radicals

• 忍耐【にんたい】
  endurance, perseverance, patience
• 残忍【ざんにん】
  brutal, cruel, merciless, ruthless, cold-blooded
• 忍ぶ【しのぶ】
  to conceal oneself, to hide, to endure, to bear, to stand, to put up with
• 忍び寄る【しのびよる】
  to creep, to steal up, to draw near unnoticed
• 堪忍袋【かんにんぶくろ】
  one's store of patience
• 忍び【しのび】
  stealth, travelling incognito (traveling), ninjutsu, ninja, sneak theft, sneak thief, tolerance
• 忍【にん】
  endurance, forbearance, patience, self-restraint
• 忍【しのぶ】
  squirrel's foot fern (Davallia mariesii), Lepisorus thunbergianus (species of fern), color of clothing layers under one's overcoat (light green on blue), shinobu-wake (Edo-period women's hairstyle), clothing patterned using squirrel's foot fern
• 忍者【にんじゃ】
  ninja, person trained in ninjutsu and employed for covert purposes in feudal Japan
• 忍び込む【しのびこむ】
  to creep in, to steal in, to sneak in