Definition of infirm adjective from the Oxford Advanced American Dictionary

     

    infirm

     adjective
    adjective
    NAmE//ɪnˈfərm//
     
     
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  1. 1 weak and sick, especially over a long period or as a result of being old to grow old and infirm
  2. 2 the infirm noun [plural] people who are weak and sick for a long period care for the elderly and infirm
See the Oxford Advanced Learner's Dictionary entry: infirm