What does it mean if a person is called frail?

If a person is called frail, it typically means they are physically weak or delicate, often due to age, illness, or a lack of strength. This term can also imply a vulnerability to injury or illness, suggesting that their overall health and resilience are compromised. In a broader sense, frailty can encompass both physical and emotional aspects, indicating a diminished capacity to cope with stress or challenges.