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.
Noun: Singular & Plural. Seeing that nouns are items, there can be one or more and this means that nouns are either singular or plural. Singular means there is one, plural means there is more than one. Even a fraction more that one means the noun is plural. That is commonly seen in recipesâ1 1/2 cups milk. And here is a kicker to that so called less than one âIf the item is a zero or a decimal version of less than one it gets the plural treatment.