Meaning & use
infirmity
Physical or mental weakness, especially resulting from old age or illness.
See it in a sentence
Despite the infirmity of old age, he still walked to the market every morning.
The nursing home cares for residents suffering from various infirmities.
A note on using this word
Infirmity is somewhat formal or literary; 'illness' or 'frailty' sound more natural in everyday conversation.
Words with a similar meaning
Choose a synonym to suit the sentence. Meanings can overlap without being identical.
Words with an opposite meaning
vigorstrength
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