Failing is a related term of infirmity.
As nouns the difference between failing and infirmity
is that failing
is weakness; defect while infirmity
is feebleness, frailty or ailment, especially due to old age.
As a verb failing
As a preposition failing
is if the preferred or prior option is not possible.
- His worst failing is his temper.
if the preferred or prior option is not possible
- A large proportion of the females employed in other firms are said to have signified their intention of going on strike, failing a settlement.
feebleness, frailty or ailment, especially due to old age.
a moral weakness or defect