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infirm

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adjective in·firm \in-ˈfərm\

Simple Definition of infirm

  • : having a condition of weakness or illness that usually lasts for a long time and is caused especially by old age

Source: Merriam-Webster's Learner's Dictionary

Full Definition of infirm

  1. 1 :  of poor or deteriorated vitality; especially :  feeble from age

  2. 2 :  weak of mind, will, or character :  irresolute, vacillating

  3. 3 :  not solid or stable :  insecure

infirmly

adverb

Examples of infirm in a sentence

  1. The clinic provides free care for elderly and infirm people who lack health insurance.

  2. <the elderly and infirm have to be especially careful during the winter months>



Origin and Etymology of infirm

Middle English, from Latin infirmus, from in- + firmus firm


First Known Use: 14th century

Synonym Discussion of infirm

weak, feeble, frail, fragile, infirm, decrepit mean not strong enough to endure strain, pressure, or strenuous effort. weak applies to deficiency or inferiority in strength or power of any sort <felt weak after the surgery>. feeble suggests extreme weakness inviting pity or contempt <a feeble attempt to walk>. frail implies delicacy and slightness of constitution or structure <a frail teenager unable to enjoy sports>. fragile suggests frailty and brittleness unable to resist rough usage <a reclusive poet too fragile for the rigors of this world>. infirm suggests instability, unsoundness, and insecurity due to old age or crippling illness <infirm residents requiring constant care>. decrepit implies being worn-out or broken-down from long use or old age <the dowager's decrepit retainers>.


INFIRM Defined for Kids

infirm

play
adjective in·firm \in-ˈfərm\

Definition of infirm for Students

  1. :  weak or frail in body




Medical Dictionary

infirm

play
adjective in·firm \in-ˈfərm\

Medical Definition of infirm

  1. :  of poor or deteriorated vitality; especially :  feeble from age





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