impairment

noun

Etymology: From Middle English empeirement, empeyrement, emparement, from Anglo-Norman empairement, emperement, enpeirement, from Old French ampirement, anpirement, enperement, equivalent to impair + -ment.

1. The result of being impaired.
2. A deterioration or weakening.

   “We determined that the car driver’s transportation of multiple teen passengers, limited driving experience, and likely impairment from effects of cannabis at the time of the crash adversely affected her judgment of the danger of entering the intersection in front of the approaching combination vehicle.”

3. A disability or handicap.

   “visual impairment”

4. A loss or absence of baseline human functioning that may lead to a disability.
5. An inefficient part or factor.
6. A downward revaluation, a write-down.