Frailty/ˈfreɪlti/ Definition 1 of 2Pro Tip 1/3Physical Weakness Use to describe someone's diminished physical abilities, not just general tiredness. The mountain climb revealed the frailty of the novice hikers. Pro Tip 2/3Evoke Empathy When describing frailty, aim to invoke a sense of compassion rather than negativity. She showed great care for her father's frailty. Pro Tip 3/3Not Always Age Frailty can result from factors besides age, like illness or malnutrition. The prolonged illness left him with a noticeable frailty.