![abnormal psychology abnormal psychology](https://www.tekportal.net/wp-content/uploads/2019/01/abnormal-psychology-6461.jpg)
noun
- the branch of psychology that deals with modes of behavior, mental phenomena, etc., that deviate markedly from the standards believed to characterize a well-adjusted personality.
noun
- the study of behaviour patterns that diverge widely from generally accepted norms, esp those of a pathological nature
n.
- Psychopathology.