Final answer:
Burnout is the term used to describe physical, emotional, and mental exhaustion brought about by unrelieved stress. It often occurs in individuals exposed to chronically stressful work conditions and is characterized by emotional exhaustion, depersonalization, and diminished personal accomplishment.
Step-by-step explanation:
The term used to describe physical, emotional, and mental exhaustion brought about by unrelieved stress is burnout. Burnout often occurs in individuals who are exposed to chronically stressful work conditions, such as social workers and teachers. It is characterized by emotional exhaustion, depersonalization, and diminished personal accomplishment.