noun

• (countable, medical model of disability) A condition characterised by a significant limitation in a person's physical or intellectual powers or ability.
  "people with disabilities"
• (uncountable) The state of having such a condition; the state of being disabled.
  "While physical and sensory disability is usually identified by asking a subject what he or she can or cannot do (with or without assistance), cognitive disability is assessed with a test such as a mental status questionnaire (MSQ)."
• (countable, social model of disability) A limitation in function (the things that a person can do or achieve) that is driven by any combination of their impairments (the medical facts about them) and the imperfect state of society's inaccessibility that sometimes fails to accommodate their needs.
• (countable, obsolete) Inability.
  "Grossest faults, or disabilities to perform what was covenanted."