adj
infirm
ihn-FURM
adj
1
Physically weak or in poor health, especially due to age or illness.
"Her grandfather had become too infirm to live alone."
"The charity provides meals for elderly and infirm residents."
How to Use Infirm
Learner’s notesIn plain EnglishWeak or frail, usually because of old age or sickness.
Common pairings
old and infirm
infirm patient
become infirm
Word Forms
infirmer comparative, infirmed past tense, infirms singular, infirmest superlative
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Her grandfather had become too _____ to live alone.
Etymology
From Latin infirmus, "weak, feeble."