Also called: high-performance burnout
High-functioning burnout is an informal name for burnout in someone who is still performing well. The exhaustion and the detachment from work are real, but deadlines are met and results hold, so the problem is easy to miss, even for the person living it. It is not a diagnosis, and burnout itself is not classified as a medical condition.
Where the term comes from
The phrase has no traceable author. It belongs to popular writing rather than research, alongside similar labels such as “high-functioning depression.” The psychologist Herbert Freudenberger wrote about “staff burn-out” among clinic workers in 1974, and Christina Maslach and Susan Jackson published a way to measure burnout in 1981. In 2019 the World Health Organization included burnout in ICD-11 as an occupational phenomenon: a syndrome caused by chronic stress at work that has not been managed well, marked by exhaustion, mental distance from the job and reduced effectiveness. The WHO adds that the term should be used only for experiences at work.
What the research shows
Burnout can be partial. In an analysis of two large samples, the researchers Michael Leiter and Christina Maslach identified profiles in which people scored high on only one dimension, including an “overextended” profile high on exhaustion alone. That profile comes closest to what the popular term describes.
Output can hold for a while: across five studies, exhaustion was only modestly linked to job performance as rated by others, such as supervisors (a correlation of −0.22). Keeping going has a cost. In a study that followed 258 nurses over three years, exhaustion and working while ill reinforced each other.
How it differs from depression
By the WHO definition, burnout refers only to work. Depression is defined by symptoms wherever they show up, such as persistent sadness or lost interest lasting at least two weeks. The two overlap: a meta-analysis found a correlation of about 0.52 between them, high enough to share symptoms and low enough to count as distinct conditions. If symptoms like these have lasted for weeks, get them assessed by a doctor or psychologist. Our page on executive burnout sets out what to rule out first and what tends to help.
Related terms
Post-Achievement Depression: low mood after reaching a goal rather than during a sustained load.
Arrival Fallacy: the belief that the next milestone will fix how you feel.
Sources
World Health Organization - Burn-out an “occupational phenomenon”: International Classification of Diseases, 2019 (ICD-11 definition)
Freudenberger - Staff burn-out, Journal of Social Issues, 1974 (first description)
Maslach & Jackson - The measurement of experienced burnout, Journal of Organizational Behavior, 1981 (the Maslach Burnout Inventory)
Leiter & Maslach - Latent burnout profiles: A new approach to understanding the burnout experience, Burnout Research, 2016 (two large datasets, five profiles)
Taris - Is there a relationship between burnout and objective performance? A critical review of 16 studies, Work & Stress, 2006 (burnout and rated performance)
Koutsimani, Montgomery & Georganta - The relationship between burnout, depression, and anxiety: A systematic review and meta-analysis, Frontiers in Psychology, 2019 (burnout and depression)