The lack of competent physical and mental faculties; the absence of legal capability to perform an act.

The term disability usually signifies an incapacity to exercise all the legal rights ordinarily possessed by an average person. Convicts, minors, and incompetents are regarded to be under a disability. The term is also used in a more restricted sense when it indicates a hindrance to marriage or a deficiency in legal qualifications to hold office.

The impairment of earning capacity; the loss of physical function resulting in diminished efficiency; the inability to work.

In the context of WORKERS' COMPENSATION statutes, disability consists of an actual incapacity to perform tasks within the course of employment, with resulting wage loss, in addition to physical impairment that might, or might not, be incapacitating.