1520s, from Latin anxietatem (nominative anxietas) "anguish, anxiety, solicitude," noun of quality from anxius (see anxious). Psychiatric use dates to 1904. Age of Anxiety is from Auden's poem (1947). For "anxiety, distress," Old English had angsumnes, Middle English anxumnesse.
1. He has exhibited symptoms of anxiety and overwhelming worry.
2. He had shouted down the phone at her, beside himself with anxiety.
3. For a few brief minutes we forgot the anxiety and anguish.
4. The letter spoke only too clearly of his anxiety for her.
5. Desperate with anxiety, Bob and Hans searched the whole house.