Definition of infirmity noun from the Oxford Advanced American Dictionary

 

infirmity

 noun
noun
NAmE//ɪnˈfərmət̮i//
 
(pl. infirmities)[uncountable, countable]
 
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weakness or illness over a long period We all fear disability or infirmity. the infirmities of old age
See the Oxford Advanced Learner's Dictionary entry: infirmity