Definition of frailty noun from the Oxford Advanced Learner's Dictionary

     

    frailty

     noun
    noun
    BrE BrE//ˈfreɪlti//
     
    ; NAmE NAmE//ˈfreɪlti//
     
    (pl. frailties)
     
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  1. 1[uncountable] weakness and poor health Increasing frailty meant that she was more and more confined to bed.
  2. 2[uncountable, countable] (formal) weakness in a person’s character or moral standards human frailty the frailties of human nature
  3. Word Origin Middle English (in the sense ‘weakness in morals’): from Old French frailete, from Latin fragilitas, from fragilis, from frangere ‘to break’.Extra examples a figure of authority, but one all too prone to human frailties He has shown enough evidence of human frailty. The frailty of her nature meant that she was vulnerable to flattery. They exploited the frailties of their clients. We are all subject to the frailties of human nature.
See the Oxford Advanced American Dictionary entry: frailty