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infirm

Pronunciation: /ɪnˈfəːm/
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Definition of infirm

adjective

  • not physically or mentally strong, especially through age or illness: those who were old or infirm elderly and infirm people (as plural noun the infirm)care for the infirm
  • archaic (of a person or their judgement) weak; irresolute:he was infirm of purpose

Derivatives

infirmly

adverb

Origin:

late Middle English (in the general sense 'weak, frail'): from Latin infirmus, from in- 'not' + firmus 'firm'

infirm in other Oxford dictionaries

Definition of infirm in the US English dictionary
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