Generalized Anxiety Disorder (GAD)

An excessive and inappropriate worrying that is persistent and not restricted to particular circumstances. See both state and trait anxiety. An example specific form is social anxiety disorder. Differentiated from fear and phobias.

Reference:

Lader, M. (2015). Generalized anxiety disorder. In Encyclopedia of Psychopharmacology (pp. 699-702). Springer Berlin Heidelberg. Note: For diagnostic criteria for GAD, refer to the Diagnostic and Statistical Manual of Mental Disorders (American Psychiatric Association).