fragility
noun /frəˈdʒɪləti/
  /frəˈdʒɪləti/
[uncountable]- the fact of being weak and uncertain; the fact of being easy to destroy or harm- There was an air of fragility about him.
- the fragility of the economy
- financial/emotional fragility
 
- the fact of tending to break or be damaged easily- bone fragility
 
- the fact of being weak and likely to become ill- the fragility of the human body