(psychiatry) a relatively permanent state of worry and nervousness occurring in a variety of mental disorders, usually accompanied by compulsive behavior or attacks of panic
"After years of living with generalized anxiety disorder, she found that her daily rituals had evolved into compulsive checking behaviors triggered by sudden waves of panic."
a vague unpleasant emotion that is experienced in anticipation of some (usually ill-defined) misfortune
"She spent the entire morning pacing her living room, driven by an anxiety about something terrible happening to her family, even though she couldn't say exactly what it was."
An unpleasant state of mental uneasiness, nervousness, apprehension and obsession or concern about some uncertain event.
"The constant anxiety about the upcoming medical test kept her awake all night, making it impossible to focus on anything else."