What is the meaning of weakness?

noun

• A flaw or weak point.
  • usage: "he was quick to point out his wife's failings"
  • synonyms: failing
• Powerlessness revealed by an inability to act.
  • usage: "in spite of their weakness the group remains active"
  • synonyms: helplessness, impuissance
• The property of lacking physical or mental strength; liability to failure under pressure or stress or strain.
  • usage: "his weakness increased as he became older"; "the weakness of the span was overlooked until it collapsed"
• The condition of being financially weak.
  • usage: "the weakness of the dollar against the yen"
• A penchant for something even though it might not be good for you.
  • usage: "he has a weakness for chocolate"