infirmity

From infirm +‎ -ity.

• (Received Pronunciation) IPA^(key): /ɪnˈfɜːmɪti/
• (General American) IPA^(key): /ɪnˈfɜɹməti/

• Audio (US):

  (file)

infirmity (countable and uncountable, plural infirmities)

1. feebleness, frailty or ailment, especially due to old age.

   Synonym: caducity

   physical infirmity

   mental infirmity

   suffer from an infirmity

   He bore the weight of old age and physical infirmity.

   Despite her infirmity, she remained mentally sharp.

2. a moral weakness or defect

• infirm (adjective)