She has always had an 'anxiety to succeed'. [=she has always been anxious to succeed]
He suffers from test 'anxiety'. [=excessive fear about taking tests]
He's been feeling a lot of 'anxiety' about/over his new job.
(..) You sent this out?! Oh you signed it from both of us! You signed it from both of us! Yes. Along with a list of symptoms. "Headachy", "Weakened", "Irritability, anxiety!" "Breast tenderness!" I get that, don't you? Yes! But you cannot tell the entire I.T. community (..)2006 TvShow: The IT Crowd Title: Aunt Irma Visits Season: 1 Episode 6