Frail (adjective)

1. Easily broken, damaged, or destroyed.
2. Physically weak and delicate, especially as a result of age.
3. Not strong or robust; easily upset or disturbed.

Origin:

Middle english: from old french fraile, from latin fragilis, from frangere "to break".

Examples:

1. The old woman was frail and needed assistance.
2. The package was wrapped in fragile paper to protect it.
3. The old man's health was frail after so many years.
4. The company's business model was frail and easily exposed to risks.
5. His confidence was frail after the setback.