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.
A pest is any species, strain or biotype of plant, animal, or pathogenic agent injurious to plants or plant products. Plants may be considered pests themselves if an invasive species. Any prolific animal or plant may be considered pests. Thus in contrast, to the single term pest, in composite terms, e.g.plant pest, agricultural pest livestock pest, the emphasis is always on the organisms or ecosystems infested and affected.ny prolific animal or plant may be considered pests. Thus in contrast, to the single term pest, in composite terms, e.g. plant pest, agricultural pest livestock pest, the emphasis is always on the organisms or ecosystems infested and affected.