Legal Definition of Disability: (a) The state of being legally incapable to perform an act; a lack of competence or power to perform. (b) An injury or illness which incapacitates one from carrying out his usual duties. Such a disability may be physical or mental, total or partial, temporary or permanent | Learn about the legal definition of disability and its significance in the workplace. Gain insight into what constitutes a disability, with examples of physical and mental disabilities. Discover how understanding this definition benefits both employers and employees, promoting inclusivity and avoiding legal issues. Embrace the legal definition of disability to create a diverse and thriving workplace