What is the meaning of Burnout?

The experience of long-term exhaustion and diminished interest, especially in one's career.

A person who has the experience of long-term exhaustion and diminished interest.

Someone whose brains have figuratively been burned out by drugs.

The shutoff of a rocket motor following the exhaustion of its fuel, or having been irreversibly throttled after the application of a planned delta-v.

The failure of an electrical device, usually through overheating due to the application of excessive power.

Use of the throttle to spin the wheels of a vehicle being held stationary, causing the spinning tires to produce smoke and burn rubber.

burnout

Source: wiktionary.org