infirmity
nounUK /ɪnˈfɜː.mə.ti/
US /ɪnˈfɝː.mə.t̬i/
A weakness or sickness in your body that makes it hard to move or stay strong.
After the long illness, his infirmity made it difficult to climb the stairs.
RELATED WORDS
OTHER MEANINGS
2. A moral weakness or flaw in someone's character.
Greed was the old king's greatest infirmity.
3. The state of being weak or feeble in general.
The infirmity of the bridge made engineers nervous.
4. A specific disease or medical condition, especially a long-lasting one.
She suffered from a minor infirmity of the joints.