I. noun — [ mass noun] 1. a feeling of worry, nervousness, or unease about something with an uncertain outcome • he felt a surge of anxiety
• [ count noun]
anxieties about the moral decline of today’s youth.
[Psychiatry] a nervous disorder marked by excessive uneasiness and apprehension, typically with compulsive behaviour or panic attacks.[as modifier]
• she suffered from anxiety attacks.
3. [with infinitive] — strong desire or concern to do something or for something to happen • the housekeeper’s eager anxiety to please.
– origin early 16th cent.: from French anxiété or Latin anxietas, from anxius (see anxious).