be burned out

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be burned out

1. To be overworked or exhausted, especially to the point of no longer being able to maintain a particular level of performance or dedication. If you keep working nights and weekends, you're going to get burned out. She's probably burned out after studying all week.
2. slang To be physically damaged by drug use. Typically used to describe an IV drug user's veins. I used to be an addict, honey, so my veins are all burned out these days.
3. slang To be negatively impacted physically and psychologically by drug use or addiction. He once was a brilliant student with a promising future, but now he's so burned out from his addiction that can't even hold down a steady job.
4. slang To have a physical tolerance (to a certain drug) and thus unable to feel its effects anymore. I'm totally burned out on that stuff, man—it just does nothing for me anymore.
See also: burn, out
Farlex Dictionary of Idioms. © 2015 Farlex, Inc, all rights reserved.

burned out, to be

Also, burn oneself out. Make or become tired of, particularly of one’s job or education. This figurative term alludes to a fire lacking fuel and therefore going out. It dates from the early 1800s. For example, “David was burned out; the law firm required 80 billing hours per week.” The noun burnout signifies the condition of being burned out. Graham Greene’s 1960 novel, A Burnt-Out Case, describes a protagonist afflicted with burnout.
See also: burn, to
The Dictionary of Clichés by Christine Ammer Copyright © 2013 by Christine Ammer