(psychiatry) a psychological disorder of thought or emotion; a more neutral term than mental illness

an anxiety disorder characterized by chronic free-floating anxiety and such symptoms as tension or sweating or trembling or lightheadedness or irritability etc that has lasted for more than six months

an anxiety disorder characterized by recurrent and persistent thoughts and feelings and repetitive, ritualized behaviors

an anxiety disorder characterized by unpredictable panic attacks; the attacks are usually severe but brief

an anxiety disorder characterized by extreme and irrational fear of simple things or social situations

an anxiety disorder associated with serious traumatic events and characterized by such symptoms as survivor guilt, reliving the trauma in dreams, numbness and lack of involvement with reality, or recurrent thoughts and images