|1.||[ noun ] lacking the power to perform|
|Related terms:||ability quality incompetence incapability insufficiency insensitivity unadaptability|
|2.||[ noun ] (medicine) poor physical condition; being out of shape or out of condition|
|Related terms:||fitness ill_health disability infirmity|
|3.||[ noun ] the condition of not being suitable|
"the judges agreed on his unfitness for the appointment"
|Related terms:||fitness unsuitability disqualification|