Psychological Disorders List - Symptoms and Diagnosis. This psychological disorders list and directory has been abbreviated from the Diagnostic and Statistical Manual of Mental Disorders, Fourth Edition (DSM-IV). This manual is the most widely used diagnostic criteria for the classification of psychological disorders. Adjustment Disorders.
pest â(plural pests). ( 1 originally) A plague, pestilence, epidemic. 2  An annoying, harmful, often destructive creature. 3  An annoying person.( 4 Britain, slang) Someone with poor social discipline who continually bothers uninterested women.est â(plural pests). ( 1 originally) A plague, pestilence, epidemic. 2  An annoying, harmful, often destructive creature. 3  An annoying person.
Wiktionary(4.20 / 5 votes)Rate this definition: 1  plague(Noun) (used absolutely, usually capitalized: The Pest) The pestilent disease Plague, caused by the virulent bacterium Yersinia pestis and mostly known by its variant form bubonic plague. 2  plague(Noun) An epidemic or pandemic caused by any pestilence, but specifically by the above disease.