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

anxiety reaction, GAD, generalized anxiety disorder - an anxiety disorder characterized by chronic free-floating anxiety and such symptoms as tension or sweating or trembling of light-headedness or irritability etc that has lasted for more than six months

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

phobia, phobic disorder, phobic neurosis - an anxiety disorder characterized by extreme and irrational fear of simple things or social situations; "phobic disorder is a general term for all phobias"

posttraumatic stress disorder, PTSD - 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