Psychological Pain

An extreme and aversive emotionally based feeling, experienced as a lasting, unsustainable condition resulting from a negative appraisal or deficiency of self. See also distress. Contrast with shame.

Reference:

Meerwijk, E. L., & Weiss, S. J. (2013). Toward a unifying definition: response to ‘the concept of mental pain'. Psychotherapy and Psychosomatics, 83(1), 62-63. https://doi.org/10.1159/000348869