B2[U]an uncomfortable feeling of nervousness or worry about something that is happening or might happen in the future: Children normally feel a lot of anxiety about their first day at school.That explains his anxiety over his health.Her son is a source of considerable anxiety.Anxiety and worry - general wordsFear and phobias›[C]something that causes a feeling of fear and worry: job anxietiesAnxiety and worry - general wordsFear and phobias