Worried and unable to relax because something bad may happen or because you do not know what will happen.
I felt anxious about the job interview.
She was anxious while waiting for the test results.
Use anxious about when you mean worried. Say “I’m anxious about the flight,” not “I’m anxious for the flight” when you mean worried.
Common phrases & grammar
feel anxious · anxious thoughts · anxious about an exam
be anxious about + noun
feel anxious about + noun