frailty
frailty (frāl"ty) , noun
[Old English frelete, freilte, Old French fraileté, from Latin fragilitas. See Frail, a., and compare Fragility.]
1.
The condition or quality of being frail, physically, mentally, or morally; frailness; infirmity; weakness of resolution; liableness to be deceived or seduced.
God knows our frailty, [and] pities our weakness.
2.
A fault proceeding from weakness; foible; sin of infirmity.