frailty
n.the state of being physically weak or easily broken. It can also describe a lack of strength in a person's character or a system.
n.the state of being physically weak or easily broken; a lack of strength or stability in a person, system, or structure.
“The old man's frailty made it hard for him to walk.”
“The architect warned that the building's structural frailty could lead to a collapse during a storm.”
“The protagonist's journey is defined by a struggle against his own physical frailty, which serves as a metaphor for the inevitable decline of human ambition.”
“At 37, she moved with the frailty and deliberativeness of someone twice her age, and she eventually acquired a wheelchair to reduce the burden on her stamina.”
“The midfielder was brought to Rangers to add steel, not to contribute to the mental frailties that dogged them on the run-in last season.”
From Middle English frelete, frailte, from Old French fraileté, from Latin fragilitās. By surface analysis, frail + -ty. Doublet of fragility.
Etymology adapted from Wiktionary, available under CC BY-SA 4.0.