anxiety, anxieties 1. A state of uneasiness and apprehension; such as, about future uncertainties. 2. A cause of anxiety: 'For some people, air travel is a real anxiety.' 3. In psychiatry, a state of apprehension, uncertainty, and fear resulting from the anticipation of a realistic or fantasized threatening event or situation, often impairing phys... Found on http://www.wordinfo.info/words/index/info/view_unit/3460/